20552352654 has 64 divisors (see below), whose sum is σ = 42931752192. Its totient is φ = 6553516800.

The previous prime is 20552352647. The next prime is 20552352661. The reversal of 20552352654 is 45625325502.

It is an interprime number because it is at equal distance from previous prime (20552352647) and next prime (20552352661).

It is a super-2 number, since 2×20552352654² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5205109 + ... + 5209055.

It is an arithmetic number, because the mean of its divisors is an integer number (670808628).

Almost surely, 2^20552352654 is an apocalyptic number.

20552352654 is an abundant number, since it is smaller than the sum of its proper divisors (22379399538).

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

20552352654 is a wasteful number, since it uses less digits than its factorization.

20552352654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401.

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 20552352654 in words is "twenty billion, five hundred fifty-two million, three hundred fifty-two thousand, six hundred fifty-four".