20440512523110 has 32 divisors (see below), whose sum is σ = 49542945211872. Its totient is φ = 5396834988800.

The previous prime is 20440512523099. The next prime is 20440512523157. The reversal of 20440512523110 is 1132521504402.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3373018839 + ... + 3373024898.

It is an arithmetic number, because the mean of its divisors is an integer number (1548217037871).

Almost surely, 2^{20440512523110} is an apocalyptic number.

20440512523110 is an abundant number, since it is smaller than the sum of its proper divisors (29102432688762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20440512523110 is a wasteful number, since it uses less digits than its factorization.

20440512523110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6746043848.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 20440512523110 in words is "twenty trillion, four hundred forty billion, five hundred twelve million, five hundred twenty-three thousand, one hundred ten".