20154555044034 has 32 divisors (see below), whose sum is σ = 40348372542720. Its totient is φ = 6711642519552.

The previous prime is 20154555044009. The next prime is 20154555044047. The reversal of 20154555044034 is 43044055545102.

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, 66808824 + ... + 67109820.

It is an arithmetic number, because the mean of its divisors is an integer number (1260886641960).

Almost surely, 2^{20154555044034} is an apocalyptic number.

20154555044034 is an abundant number, since it is smaller than the sum of its proper divisors (20193817498686).

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

20154555044034 is a wasteful number, since it uses less digits than its factorization.

20154555044034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311834.

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 20154555044034 in words is "twenty trillion, one hundred fifty-four billion, five hundred fifty-five million, forty-four thousand, thirty-four".