20055928361 has 16 divisors (see below), whose sum is σ = 23684579328. Its totient is φ = 16619288400.

The previous prime is 20055928337. The next prime is 20055928393. The reversal of 20055928361 is 16382955002.

It is a cyclic number.

It is not a de Polignac number, because 20055928361 - 2²² = 20051734057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20055928331) 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, 168416 + ... + 261678.

It is an arithmetic number, because the mean of its divisors is an integer number (1480286208).

Almost surely, 2^20055928361 is an apocalyptic number.

It is an amenable number.

20055928361 is a deficient number, since it is larger than the sum of its proper divisors (3628650967).

20055928361 is an equidigital number, since it uses as much as digits as its factorization.

20055928361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94292.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 20055928361 in words is "twenty billion, fifty-five million, nine hundred twenty-eight thousand, three hundred sixty-one".