20051036870 has 32 divisors (see below), whose sum is σ = 38526554880. Its totient is φ = 7491264480.

The previous prime is 20051036857. The next prime is 20051036879. The reversal of 20051036870 is 7863015002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20051036879) 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, 729692 + ... + 756671.

It is an arithmetic number, because the mean of its divisors is an integer number (1203954840).

Almost surely, 2^20051036870 is an apocalyptic number.

20051036870 is a deficient number, since it is larger than the sum of its proper divisors (18475518010).

20051036870 is a wasteful number, since it uses less digits than its factorization.

20051036870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486460.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 20051036870 in words is "twenty billion, fifty-one million, thirty-six thousand, eight hundred seventy".