20535622605054 has 32 divisors (see below), whose sum is σ = 45639498051840. Its totient is φ = 6844490362296.

The previous prime is 20535622605053. The next prime is 20535622605059. The reversal of 20535622605054 is 45050622653502.

20535622605054 is a `hidden beast` number, since 2 + 0 + 5 + 35 + 6 + 2 + 2 + 605 + 0 + 5 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20535622605053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19401154 + ... + 20432229.

It is an arithmetic number, because the mean of its divisors is an integer number (1426234314120).

Almost surely, 2^{20535622605054} is an apocalyptic number.

20535622605054 is an abundant number, since it is smaller than the sum of its proper divisors (25103875446786).

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

20535622605054 is a wasteful number, since it uses less digits than its factorization.

20535622605054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39842941 (or 39842935 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

The spelling of 20535622605054 in words is "twenty trillion, five hundred thirty-five billion, six hundred twenty-two million, six hundred five thousand, fifty-four".