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20233515120 = 243574133773
BaseRepresentation
bin10010110110000000…
…101111000001110000
31221020002221001202220
4102312000233001300
5312414234440440
613143430241040
71314256020000
oct226600570160
957202831686
1020233515120
118643323425
123b081b6180
131ba5b97b70
14d9d310000
157d64e58d0
hex4b602f070

20233515120 has 800 divisors, whose sum is σ = 82040707392. Its totient is φ = 4096770048.

The previous prime is 20233515119. The next prime is 20233515143. The reversal of 20233515120 is 2151533202.

It is a happy number.

It is a super-2 number, since 2×202335151202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 277171404 + ... + 277171476.

Almost surely, 220233515120 is an apocalyptic number.

20233515120 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 20233515120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41020353696).

20233515120 is an abundant number, since it is smaller than the sum of its proper divisors (61807192272).

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

20233515120 is a wasteful number, since it uses less digits than its factorization.

20233515120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 20233515120 in words is "twenty billion, two hundred thirty-three million, five hundred fifteen thousand, one hundred twenty".