20372574242406 has 32 divisors (see below), whose sum is σ = 41319530362368. Its totient is φ = 6695130113280.

The previous prime is 20372574242393. The next prime is 20372574242443. The reversal of 20372574242406 is 60424247527302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41472726 + ... + 41961078.

It is an arithmetic number, because the mean of its divisors is an integer number (1291235323824).

Almost surely, 2^{20372574242406} is an apocalyptic number.

20372574242406 is an abundant number, since it is smaller than the sum of its proper divisors (20946956119962).

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

20372574242406 is a wasteful number, since it uses less digits than its factorization.

20372574242406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586356.

The product of its (nonzero) digits is 4515840, while the sum is 48.

The spelling of 20372574242406 in words is "twenty trillion, three hundred seventy-two billion, five hundred seventy-four million, two hundred forty-two thousand, four hundred six".