20976193152 has 96 divisors (see below), whose sum is σ = 62308421760. Its totient is φ = 6766502400.

The previous prime is 20976193141. The next prime is 20976193153. The reversal of 20976193152 is 25139167902.

It is a happy number.

20976193152 is a `hidden beast` number, since 20 + 9 + 7 + 619 + 3 + 1 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 20976193098 and 20976193107.

It is not an unprimeable number, because it can be changed into a prime (20976193153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257974 + ... + 329397.

It is an arithmetic number, because the mean of its divisors is an integer number (649046060).

Almost surely, 2^20976193152 is an apocalyptic number.

It is an amenable number.

20976193152 is an abundant number, since it is smaller than the sum of its proper divisors (41332228608).

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

20976193152 is a wasteful number, since it uses less digits than its factorization.

20976193152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587422 (or 587407 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 20976193152 in words is "twenty billion, nine hundred seventy-six million, one hundred ninety-three thousand, one hundred fifty-two".