20036845955 has 32 divisors (see below), whose sum is σ = 27794217984. Its totient is φ = 13582463616.

The previous prime is 20036845931. The next prime is 20036845963. The reversal of 20036845955 is 55954863002.

It is a cyclic number.

It is not a de Polignac number, because 20036845955 - 2²⁸ = 19768410499 is a prime.

It is a Duffinian 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, 2205332 + ... + 2214398.

It is an arithmetic number, because the mean of its divisors is an integer number (868569312).

Almost surely, 2^20036845955 is an apocalyptic number.

20036845955 is a deficient number, since it is larger than the sum of its proper divisors (7757372029).

20036845955 is a wasteful number, since it uses less digits than its factorization.

20036845955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9795.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 20036845955 in words is "twenty billion, thirty-six million, eight hundred forty-five thousand, nine hundred fifty-five".