20072616942385 has 64 divisors (see below), whose sum is σ = 29895981502464. Its totient is φ = 12643975065600.

The previous prime is 20072616942289. The next prime is 20072616942407. The reversal of 20072616942385 is 58324961627002.

It is a happy number.

It is not a de Polignac number, because 20072616942385 - 2²⁹ = 20072080071473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4451652 + ... + 7743541.

It is an arithmetic number, because the mean of its divisors is an integer number (467124710976).

It is a 1-persistent number, because it is pandigital, but 2⋅20072616942385 = 40145233884770 is not.

Almost surely, 2^{20072616942385} is an apocalyptic number.

It is an amenable number.

20072616942385 is a deficient number, since it is larger than the sum of its proper divisors (9823364560079).

20072616942385 is a wasteful number, since it uses less digits than its factorization.

20072616942385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12195314.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 20072616942385 in words is "twenty trillion, seventy-two billion, six hundred sixteen million, nine hundred forty-two thousand, three hundred eighty-five".