20351867037 has 16 divisors (see below), whose sum is σ = 27220404288. Its totient is φ = 13525678080.

The previous prime is 20351866981. The next prime is 20351867059. The reversal of 20351867037 is 73076815302.

It is not a de Polignac number, because 20351867037 - 2²² = 20347672733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20351867037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20351867087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1588218 + ... + 1600980.

It is an arithmetic number, because the mean of its divisors is an integer number (1701275268).

Almost surely, 2^20351867037 is an apocalyptic number.

It is an amenable number.

20351867037 is a deficient number, since it is larger than the sum of its proper divisors (6868537251).

20351867037 is a wasteful number, since it uses less digits than its factorization.

20351867037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14380.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 20351867037 in words is "twenty billion, three hundred fifty-one million, eight hundred sixty-seven thousand, thirty-seven".