20260984628 has 12 divisors (see below), whose sum is σ = 37322866560. Its totient is φ = 9597308472.

The previous prime is 20260984577. The next prime is 20260984631. The reversal of 20260984628 is 82648906202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133295876 + ... + 133296027.

It is an arithmetic number, because the mean of its divisors is an integer number (3110238880).

Almost surely, 2^20260984628 is an apocalyptic number.

It is an amenable number.

20260984628 is a deficient number, since it is larger than the sum of its proper divisors (17061881932).

20260984628 is a wasteful number, since it uses less digits than its factorization.

20260984628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266591926 (or 266591924 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 20260984628 in words is "twenty billion, two hundred sixty million, nine hundred eighty-four thousand, six hundred twenty-eight".