20354503312110 has 64 divisors (see below), whose sum is σ = 53296155325440. Its totient is φ = 4934020894080.

The previous prime is 20354503312103. The next prime is 20354503312141. The reversal of 20354503312110 is 1121330545302.

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 31 ways as a sum of consecutive naturals, for example, 1519044 + ... + 6558696.

It is an arithmetic number, because the mean of its divisors is an integer number (832752426960).

Almost surely, 2^{20354503312110} is an apocalyptic number.

20354503312110 is an abundant number, since it is smaller than the sum of its proper divisors (32941652013330).

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

20354503312110 is a wasteful number, since it uses less digits than its factorization.

20354503312110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051913.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 20354503312110 its reverse (1121330545302), we get a palindrome (21475833857412).

The spelling of 20354503312110 in words is "twenty trillion, three hundred fifty-four billion, five hundred three million, three hundred twelve thousand, one hundred ten".