20725350054 has 16 divisors (see below), whose sum is σ = 41453391792. Its totient is φ = 6908001408.

The previous prime is 20725350017. The next prime is 20725350077. The reversal of 20725350054 is 45005352702.

It is a junction number, because it is equal to n+sod(n) for n = 20725349997 and 20725350024.

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, 4039 + ... + 203634.

It is an arithmetic number, because the mean of its divisors is an integer number (2590836987).

Almost surely, 2^20725350054 is an apocalyptic number.

20725350054 is an abundant number, since it is smaller than the sum of its proper divisors (20728041738).

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

20725350054 is a wasteful number, since it uses less digits than its factorization.

20725350054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224311.

The product of its (nonzero) digits is 42000, while the sum is 33.

The spelling of 20725350054 in words is "twenty billion, seven hundred twenty-five million, three hundred fifty thousand, fifty-four".