20398293676 has 96 divisors (see below), whose sum is σ = 40284034560. Its totient is φ = 8981074944.

The previous prime is 20398293667. The next prime is 20398293701. The reversal of 20398293676 is 67639289302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58784535 + ... + 58784881.

It is an arithmetic number, because the mean of its divisors is an integer number (419625360).

Almost surely, 2^20398293676 is an apocalyptic number.

It is an amenable number.

20398293676 is a deficient number, since it is larger than the sum of its proper divisors (19885740884).

20398293676 is a wasteful number, since it uses less digits than its factorization.

20398293676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 20398293676 in words is "twenty billion, three hundred ninety-eight million, two hundred ninety-three thousand, six hundred seventy-six".