20288062620 has 72 divisors (see below), whose sum is σ = 70331954784. Its totient is φ = 4637271168.

The previous prime is 20288062609. The next prime is 20288062637. The reversal of 20288062620 is 2626088202.

20288062620 is a `hidden beast` number, since 2 + 0 + 2 + 8 + 8 + 0 + 626 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8049559 + ... + 8052078.

Almost surely, 2^20288062620 is an apocalyptic number.

20288062620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20288062620 is an abundant number, since it is smaller than the sum of its proper divisors (50043892164).

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

20288062620 is a wasteful number, since it uses less digits than its factorization.

20288062620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16101659 (or 16101654 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 20288062620 in words is "twenty billion, two hundred eighty-eight million, sixty-two thousand, six hundred twenty".