20315445201202 has 16 divisors (see below), whose sum is σ = 33963902195040. Its totient is φ = 9057040584768.

The previous prime is 20315445201169. The next prime is 20315445201223. The reversal of 20315445201202 is 20210254451302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15724028148 + ... + 15724029439.

It is an arithmetic number, because the mean of its divisors is an integer number (2122743887190).

Almost surely, 2^{20315445201202} is an apocalyptic number.

20315445201202 is a deficient number, since it is larger than the sum of its proper divisors (13648456993838).

20315445201202 is a wasteful number, since it uses less digits than its factorization.

20315445201202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31448057625.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 20315445201202 its reverse (20210254451302), we get a palindrome (40525699652504).

The spelling of 20315445201202 in words is "twenty trillion, three hundred fifteen billion, four hundred forty-five million, two hundred one thousand, two hundred two".