20427078954 has 16 divisors (see below), whose sum is σ = 40903449120. Its totient is φ = 6800811120.

The previous prime is 20427078913. The next prime is 20427078983. The reversal of 20427078954 is 45987072402.

It is a Curzon 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, 2048412 + ... + 2058359.

It is an arithmetic number, because the mean of its divisors is an integer number (2556465570).

Almost surely, 2^20427078954 is an apocalyptic number.

20427078954 is an abundant number, since it is smaller than the sum of its proper divisors (20476370166).

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

20427078954 is a wasteful number, since it uses less digits than its factorization.

20427078954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107605.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 20427078954 in words is "twenty billion, four hundred twenty-seven million, seventy-eight thousand, nine hundred fifty-four".