20157496833 has 16 divisors (see below), whose sum is σ = 26948085696. Its totient is φ = 13402668480.

The previous prime is 20157496829. The next prime is 20157496841. The reversal of 20157496833 is 33869475102.

It is not a de Polignac number, because 20157496833 - 2² = 20157496829 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20157496883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1896891 + ... + 1907487.

It is an arithmetic number, because the mean of its divisors is an integer number (1684255356).

It is a 1-persistent number, because it is pandigital, but 2⋅20157496833 = 40314993666 is not.

Almost surely, 2^20157496833 is an apocalyptic number.

It is an amenable number.

20157496833 is a deficient number, since it is larger than the sum of its proper divisors (6790588863).

20157496833 is a wasteful number, since it uses less digits than its factorization.

20157496833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12224.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 20157496833 in words is "twenty billion, one hundred fifty-seven million, four hundred ninety-six thousand, eight hundred thirty-three".