20054415231 has 12 divisors (see below), whose sum is σ = 30226945008. Its totient is φ = 12788322624.

The previous prime is 20054415221. The next prime is 20054415257. The reversal of 20054415231 is 13251445002.

It is not a de Polignac number, because 20054415231 - 2⁹ = 20054414719 is a prime.

It is a super-2 number, since 2×20054415231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20054415195 and 20054415204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20054415221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48440410 + ... + 48440823.

It is an arithmetic number, because the mean of its divisors is an integer number (2518912084).

Almost surely, 2^20054415231 is an apocalyptic number.

20054415231 is a deficient number, since it is larger than the sum of its proper divisors (10172529777).

20054415231 is a wasteful number, since it uses less digits than its factorization.

20054415231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96881262 (or 96881259 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 20054415231 in words is "twenty billion, fifty-four million, four hundred fifteen thousand, two hundred thirty-one".