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20235322000 = 245321147951
BaseRepresentation
bin10010110110000111…
…101000001010010000
31221020020022212100101
4102312013220022100
5312420220301000
613143533102144
71314310253605
oct226607501220
957206285311
1020235322000
118644347a13
123b08927954
131ba637b41a
14d9d6606ac
157d6750e6a
hex4b61e8290

20235322000 has 80 divisors (see below), whose sum is σ = 49161924864. Its totient is φ = 8055600000.

The previous prime is 20235321973. The next prime is 20235322001. The reversal of 20235322000 is 22353202.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (20235322001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398025 + ... + 445975.

Almost surely, 220235322000 is an apocalyptic number.

20235322000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20235322000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24580962432).

20235322000 is an abundant number, since it is smaller than the sum of its proper divisors (28926602864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20235322000 is a wasteful number, since it uses less digits than its factorization.

20235322000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48185 (or 48169 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

Adding to 20235322000 its reverse (22353202), we get a palindrome (20257675202).

The spelling of 20235322000 in words is "twenty billion, two hundred thirty-five million, three hundred twenty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 211 250 400 422 500 844 1000 1055 1688 2000 2110 3376 4220 5275 8440 10550 16880 21100 26375 42200 47951 52750 84400 95902 105500 191804 211000 239755 383608 422000 479510 767216 959020 1198775 1918040 2397550 3836080 4795100 5993875 9590200 10117661 11987750 19180400 20235322 23975500 40470644 47951000 50588305 80941288 95902000 101176610 161882576 202353220 252941525 404706440 505883050 809412880 1011766100 1264707625 2023532200 2529415250 4047064400 5058830500 10117661000 20235322000