20555153034 has 32 divisors (see below), whose sum is σ = 44306223360. Its totient is φ = 6319864512.

The previous prime is 20555153023. The next prime is 20555153041. The reversal of 20555153034 is 43035155502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20555152986 and 20555153004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4212 + ... + 202800.

It is an arithmetic number, because the mean of its divisors is an integer number (1384569480).

Almost surely, 2^20555153034 is an apocalyptic number.

20555153034 is an abundant number, since it is smaller than the sum of its proper divisors (23751070326).

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

20555153034 is a wasteful number, since it uses less digits than its factorization.

20555153034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199934.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 20555153034 in words is "twenty billion, five hundred fifty-five million, one hundred fifty-three thousand, thirty-four".