20315112242444 has 24 divisors (see below), whose sum is σ = 35606902443840. Its totient is φ = 10141716317184.

The previous prime is 20315112242407. The next prime is 20315112242489. The reversal of 20315112242444 is 44424221151302.

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, 16527542 + ... + 17714114.

It is an arithmetic number, because the mean of its divisors is an integer number (1483620935160).

Almost surely, 2^{20315112242444} is an apocalyptic number.

It is an amenable number.

20315112242444 is a deficient number, since it is larger than the sum of its proper divisors (15291790201396).

20315112242444 is a wasteful number, since it uses less digits than its factorization.

20315112242444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193249 (or 1193247 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 20315112242444 its reverse (44424221151302), we get a palindrome (64739333393746).

The spelling of 20315112242444 in words is "twenty trillion, three hundred fifteen billion, one hundred twelve million, two hundred forty-two thousand, four hundred forty-four".