20552057622 has 48 divisors (see below), whose sum is σ = 47181672720. Its totient is φ = 6443214336.

The previous prime is 20552057599. The next prime is 20552057623. The reversal of 20552057622 is 22675025502.

It is a happy number.

20552057622 is a `hidden beast` number, since 2 + 0 + 5 + 5 + 20 + 5 + 7 + 622 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20552057623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431154 + ... + 476442.

It is an arithmetic number, because the mean of its divisors is an integer number (982951515).

Almost surely, 2^20552057622 is an apocalyptic number.

20552057622 is an abundant number, since it is smaller than the sum of its proper divisors (26629615098).

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

20552057622 is a wasteful number, since it uses less digits than its factorization.

20552057622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46797 (or 46794 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 20552057622 in words is "twenty billion, five hundred fifty-two million, fifty-seven thousand, six hundred twenty-two".