20274355360 has 48 divisors (see below), whose sum is σ = 54740762496. Its totient is φ = 6951207168.

The previous prime is 20274355331. The next prime is 20274355447. The reversal of 20274355360 is 6355347202.

It is a super-2 number, since 2×20274355360² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9049932 + ... + 9052171.

It is an arithmetic number, because the mean of its divisors is an integer number (1140432552).

Almost surely, 2^20274355360 is an apocalyptic number.

20274355360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20274355360 is an abundant number, since it is smaller than the sum of its proper divisors (34466407136).

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

20274355360 is a wasteful number, since it uses less digits than its factorization.

20274355360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18102125 (or 18102117 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 37.

The spelling of 20274355360 in words is "twenty billion, two hundred seventy-four million, three hundred fifty-five thousand, three hundred sixty".