15220672300406 has 48 divisors (see below), whose sum is σ = 23961672286272. Its totient is φ = 7243637664000.

The previous prime is 15220672300399. The next prime is 15220672300429. The reversal of 15220672300406 is 60400327602251.

It is a self number, because there is not a number n which added to its sum of digits gives 15220672300406.

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, 387264956 + ... + 387304256.

It is an arithmetic number, because the mean of its divisors is an integer number (499201505964).

Almost surely, 2^{15220672300406} is an apocalyptic number.

15220672300406 is a deficient number, since it is larger than the sum of its proper divisors (8740999985866).

15220672300406 is an equidigital number, since it uses as much as digits as its factorization.

15220672300406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40025 (or 39708 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

Adding to 15220672300406 its reverse (60400327602251), we get a palindrome (75620999902657).

The spelling of 15220672300406 in words is "fifteen trillion, two hundred twenty billion, six hundred seventy-two million, three hundred thousand, four hundred six".