20558600622 has 72 divisors (see below), whose sum is σ = 52694436600. Its totient is φ = 5774313888.

The previous prime is 20558600617. The next prime is 20558600651. The reversal of 20558600622 is 22600685502.

20558600622 is a `hidden beast` number, since 20 + 5 + 5 + 8 + 6 + 0 + 0 + 622 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 145497 + ... + 249572.

It is an arithmetic number, because the mean of its divisors is an integer number (731867175).

Almost surely, 2^20558600622 is an apocalyptic number.

20558600622 is an abundant number, since it is smaller than the sum of its proper divisors (32135835978).

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

20558600622 is a wasteful number, since it uses less digits than its factorization.

20558600622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395150 (or 395140 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 20558600622 in words is "twenty billion, five hundred fifty-eight million, six hundred thousand, six hundred twenty-two".