20470242640599 has 16 divisors (see below), whose sum is σ = 30326901373440. Its totient is φ = 13646551236120.

The previous prime is 20470242640597. The next prime is 20470242640651. The reversal of 20470242640599 is 99504624207402.

20470242640599 is a `hidden beast` number, since 2 + 0 + 4 + 7 + 0 + 2 + 4 + 2 + 6 + 40 + 599 = 666.

It is not a de Polignac number, because 20470242640599 - 2¹ = 20470242640597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20470242640597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6341497 + ... + 9008610.

It is an arithmetic number, because the mean of its divisors is an integer number (1895431335840).

Almost surely, 2^{20470242640599} is an apocalyptic number.

20470242640599 is a deficient number, since it is larger than the sum of its proper divisors (9856658732841).

20470242640599 is a wasteful number, since it uses less digits than its factorization.

20470242640599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15399507 (or 15399501 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 20470242640599 in words is "twenty trillion, four hundred seventy billion, two hundred forty-two million, six hundred forty thousand, five hundred ninety-nine".