20097367312 has 40 divisors (see below), whose sum is σ = 42509198880. Its totient is φ = 9128570880.

The previous prime is 20097367307. The next prime is 20097367337. The reversal of 20097367312 is 21376379002.

It is a super-2 number, since 2×20097367312² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

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, 207463 + ... + 288505.

It is an arithmetic number, because the mean of its divisors is an integer number (1062729972).

Almost surely, 2^20097367312 is an apocalyptic number.

20097367312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20097367312 is an abundant number, since it is smaller than the sum of its proper divisors (22411831568).

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

20097367312 is a wasteful number, since it uses less digits than its factorization.

20097367312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82471 (or 82465 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 40.

The spelling of 20097367312 in words is "twenty billion, ninety-seven million, three hundred sixty-seven thousand, three hundred twelve".