20315445210052 has 24 divisors (see below), whose sum is σ = 37343450132352. Its totient is φ = 9651737568000.

The previous prime is 20315445210031. The next prime is 20315445210089. The reversal of 20315445210052 is 25001254451302.

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, 731178349 + ... + 731206132.

It is an arithmetic number, because the mean of its divisors is an integer number (1555977088848).

Almost surely, 2^{20315445210052} is an apocalyptic number.

It is an amenable number.

20315445210052 is a deficient number, since it is larger than the sum of its proper divisors (17028004922300).

20315445210052 is a wasteful number, since it uses less digits than its factorization.

20315445210052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462384659 (or 1462384657 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 20315445210052 its reverse (25001254451302), we get a palindrome (45316699661354).

The spelling of 20315445210052 in words is "twenty trillion, three hundred fifteen billion, four hundred forty-five million, two hundred ten thousand, fifty-two".