20622656250 has 216 divisors, whose sum is σ = 63984342240. Its totient is φ = 4702500000.

The previous prime is 20622656231. The next prime is 20622656269. The reversal of 20622656250 is 5265622602.

20622656250 is a `hidden beast` number, since 2 + 0 + 6 + 2 + 26 + 5 + 625 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (20622656231) and next prime (20622656269).

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 49218541 + ... + 49218959.

Almost surely, 2^20622656250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20622656250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31992171120).

20622656250 is an abundant number, since it is smaller than the sum of its proper divisors (43361685990).

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

20622656250 is an frugal number, since it uses more digits than its factorization.

20622656250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 20622656250 in words is "twenty billion, six hundred twenty-two million, six hundred fifty-six thousand, two hundred fifty".