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22303020000 = 25354503739
BaseRepresentation
bin10100110001010111…
…010001001111100000
32010120100001210202210
4110301113101033200
5331134033120000
614125035042120
71416455353632
oct246127211740
963510053683
1022303020000
119505523038
1243a52a0340
132145869571
1411180dca52
158a8037350
hex5315d13e0

22303020000 has 240 divisors, whose sum is σ = 73403003520. Its totient is φ = 5927616000.

The previous prime is 22303019957. The next prime is 22303020041. The reversal of 22303020000 is 2030322.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×223030200002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30179631 + ... + 30180369.

It is an arithmetic number, because the mean of its divisors is an integer number (305845848).

Almost surely, 222303020000 is an apocalyptic number.

22303020000 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 22303020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36701501760).

22303020000 is an abundant number, since it is smaller than the sum of its proper divisors (51099983520).

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

22303020000 is an equidigital number, since it uses as much as digits as its factorization.

22303020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 22303020000 its reverse (2030322), we get a palindrome (22305050322).

The spelling of 22303020000 in words is "twenty-two billion, three hundred three million, twenty thousand".