20406526244 has 36 divisors (see below), whose sum is σ = 38685359664. Its totient is φ = 9414598752.

The previous prime is 20406526229. The next prime is 20406526253. The reversal of 20406526244 is 44262560402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2339339 + ... + 2348045.

It is an arithmetic number, because the mean of its divisors is an integer number (1074593324).

Almost surely, 2^20406526244 is an apocalyptic number.

It is an amenable number.

20406526244 is a deficient number, since it is larger than the sum of its proper divisors (18278833420).

20406526244 is a wasteful number, since it uses less digits than its factorization.

20406526244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12204 (or 12189 counting only the distinct ones).

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

The spelling of 20406526244 in words is "twenty billion, four hundred six million, five hundred twenty-six thousand, two hundred forty-four".