20315454645054 has 16 divisors (see below), whose sum is σ = 40631612370048. Its totient is φ = 6771701035032.

The previous prime is 20315454645049. The next prime is 20315454645077. The reversal of 20315454645054 is 45054645451302.

It is a super-2 number, since 2×20315454645054² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20315454644994 and 20315454645012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28918992 + ... + 29613155.

It is an arithmetic number, because the mean of its divisors is an integer number (2539475773128).

Almost surely, 2^{20315454645054} is an apocalyptic number.

20315454645054 is an abundant number, since it is smaller than the sum of its proper divisors (20316157724994).

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

20315454645054 is a wasteful number, since it uses less digits than its factorization.

20315454645054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58589999.

The product of its (nonzero) digits is 5760000, while the sum is 48.

The spelling of 20315454645054 in words is "twenty trillion, three hundred fifteen billion, four hundred fifty-four million, six hundred forty-five thousand, fifty-four".