20331038151 has 40 divisors (see below), whose sum is σ = 30573009984. Its totient is φ = 13464221760.

The previous prime is 20331038137. The next prime is 20331038173. The reversal of 20331038151 is 15183013302.

20331038151 is a `hidden beast` number, since 203 + 31 + 0 + 381 + 51 = 666.

It is not a de Polignac number, because 20331038151 - 2⁶ = 20331038087 is a prime.

It is a super-2 number, since 2×20331038151² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331038111) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 8713381 + ... + 8715713.

Almost surely, 2^20331038151 is an apocalyptic number.

20331038151 is a deficient number, since it is larger than the sum of its proper divisors (10241971833).

20331038151 is a wasteful number, since it uses less digits than its factorization.

20331038151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013 (or 3004 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 20331038151 in words is "twenty billion, three hundred thirty-one million, thirty-eight thousand, one hundred fifty-one".