20460990256110 has 64 divisors (see below), whose sum is σ = 54740369376000. Its totient is φ = 5438491199136.

The previous prime is 20460990256081. The next prime is 20460990256117. The reversal of 20460990256110 is 1165209906402.

20460990256110 is a `hidden beast` number, since 2 + 0 + 4 + 6 + 0 + 9 + 9 + 0 + 25 + 611 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20460990256117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123339660 + ... + 123505439.

It is an arithmetic number, because the mean of its divisors is an integer number (855318271500).

Almost surely, 2^{20460990256110} is an apocalyptic number.

20460990256110 is an abundant number, since it is smaller than the sum of its proper divisors (34279379119890).

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

20460990256110 is a wasteful number, since it uses less digits than its factorization.

20460990256110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246845422 (or 246845416 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 20460990256110 in words is "twenty trillion, four hundred sixty billion, nine hundred ninety million, two hundred fifty-six thousand, one hundred ten".