20445008262 has 64 divisors (see below), whose sum is σ = 47012106240. Its totient is φ = 5806452384.

The previous prime is 20445008251. The next prime is 20445008291. The reversal of 20445008262 is 26280054402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5775289 + ... + 5778827.

It is an arithmetic number, because the mean of its divisors is an integer number (734564160).

Almost surely, 2^20445008262 is an apocalyptic number.

20445008262 is an abundant number, since it is smaller than the sum of its proper divisors (26567097978).

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

20445008262 is a wasteful number, since it uses less digits than its factorization.

20445008262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337.

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 20445008262 in words is "twenty billion, four hundred forty-five million, eight thousand, two hundred sixty-two".