20266254044 has 48 divisors (see below), whose sum is σ = 36118258176. Its totient is φ = 9948916800.

The previous prime is 20266254011. The next prime is 20266254079. The reversal of 20266254044 is 44045266202.

It is a junction number, because it is equal to n+sod(n) for n = 20266253995 and 20266254013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35492279 + ... + 35492849.

It is an arithmetic number, because the mean of its divisors is an integer number (752463712).

Almost surely, 2^20266254044 is an apocalyptic number.

It is an amenable number.

20266254044 is a deficient number, since it is larger than the sum of its proper divisors (15852004132).

20266254044 is a wasteful number, since it uses less digits than its factorization.

20266254044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 20266254044 in words is "twenty billion, two hundred sixty-six million, two hundred fifty-four thousand, forty-four".