20022510156 has 48 divisors (see below), whose sum is σ = 53648837760. Its totient is φ = 5748088320.

The previous prime is 20022510149. The next prime is 20022510163. The reversal of 20022510156 is 65101522002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20022510149) and next prime (20022510163).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3989221 + ... + 3994236.

It is an arithmetic number, because the mean of its divisors is an integer number (1117684120).

Almost surely, 2^20022510156 is an apocalyptic number.

It is an amenable number.

20022510156 is an abundant number, since it is smaller than the sum of its proper divisors (33626327604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20022510156 is a wasteful number, since it uses less digits than its factorization.

20022510156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7983494 (or 7983492 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 20022510156 in words is "twenty billion, twenty-two million, five hundred ten thousand, one hundred fifty-six".