20234756560 has 80 divisors (see below), whose sum is σ = 47337720192. Its totient is φ = 8043840000.

The previous prime is 20234756543. The next prime is 20234756567. The reversal of 20234756560 is 6565743202.

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20234756567) 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, 12669682 + ... + 12671278.

Almost surely, 2^20234756560 is an apocalyptic number.

20234756560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20234756560 is an abundant number, since it is smaller than the sum of its proper divisors (27102963632).

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

20234756560 is a wasteful number, since it uses less digits than its factorization.

20234756560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492 (or 2486 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 20234756560 in words is "twenty billion, two hundred thirty-four million, seven hundred fifty-six thousand, five hundred sixty".