20133381696 has 28 divisors (see below), whose sum is σ = 53269572912. Its totient is φ = 6711127168.

The previous prime is 20133381659. The next prime is 20133381703. The reversal of 20133381696 is 69618333102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52430490 + ... + 52430873.

Almost surely, 2^20133381696 is an apocalyptic number.

It is an amenable number.

20133381696 is an abundant number, since it is smaller than the sum of its proper divisors (33136191216).

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

20133381696 is a wasteful number, since it uses less digits than its factorization.

20133381696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104861378 (or 104861368 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 20133381696 in words is "twenty billion, one hundred thirty-three million, three hundred eighty-one thousand, six hundred ninety-six".