20260287884 has 6 divisors (see below), whose sum is σ = 35455503804. Its totient is φ = 10130143940.

The previous prime is 20260287877. The next prime is 20260287911. The reversal of 20260287884 is 48878206202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2532535982 + ... + 2532535989.

It is an arithmetic number, because the mean of its divisors is an integer number (5909250634).

Almost surely, 2^20260287884 is an apocalyptic number.

It is an amenable number.

20260287884 is a deficient number, since it is larger than the sum of its proper divisors (15195215920).

20260287884 is a wasteful number, since it uses less digits than its factorization.

20260287884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065071975 (or 5065071973 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 47.

The spelling of 20260287884 in words is "twenty billion, two hundred sixty million, two hundred eighty-seven thousand, eight hundred eighty-four".