20215766150 has 24 divisors (see below), whose sum is σ = 38310789024. Its totient is φ = 7933733600.

The previous prime is 20215766117. The next prime is 20215766173. The reversal of 20215766150 is 5166751202.

It is a self number, because there is not a number n which added to its sum of digits gives 20215766150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3811646 + ... + 3816945.

It is an arithmetic number, because the mean of its divisors is an integer number (1596282876).

Almost surely, 2^20215766150 is an apocalyptic number.

20215766150 is a deficient number, since it is larger than the sum of its proper divisors (18095022874).

20215766150 is a wasteful number, since it uses less digits than its factorization.

20215766150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7628656 (or 7628651 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 20215766150 in words is "twenty billion, two hundred fifteen million, seven hundred sixty-six thousand, one hundred fifty".