20623206502602 has 72 divisors (see below), whose sum is σ = 49120385906592. Its totient is φ = 6248777174640.

The previous prime is 20623206502597. The next prime is 20623206502649. The reversal of 20623206502602 is 20620560232602.

20623206502602 is a `hidden beast` number, since 2 + 0 + 6 + 23 + 20 + 6 + 5 + 0 + 2 + 602 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19708363 + ... + 20728385.

It is an arithmetic number, because the mean of its divisors is an integer number (682227582036).

Almost surely, 2^{20623206502602} is an apocalyptic number.

20623206502602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20623206502602 is an abundant number, since it is smaller than the sum of its proper divisors (28497179403990).

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

20623206502602 is a wasteful number, since it uses less digits than its factorization.

20623206502602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029336 (or 1029322 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 20623206502602 in words is "twenty trillion, six hundred twenty-three billion, two hundred six million, five hundred two thousand, six hundred two".