20110274475 has 12 divisors (see below), whose sum is σ = 33248987256. Its totient is φ = 10725479680.

The previous prime is 20110274441. The next prime is 20110274477. The reversal of 20110274475 is 57447201102.

It is not a de Polignac number, because 20110274475 - 2¹² = 20110270379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20110274477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134068422 + ... + 134068571.

It is an arithmetic number, because the mean of its divisors is an integer number (2770748938).

Almost surely, 2^20110274475 is an apocalyptic number.

20110274475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20110274475 is a deficient number, since it is larger than the sum of its proper divisors (13138712781).

20110274475 is a wasteful number, since it uses less digits than its factorization.

20110274475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268137006 (or 268137001 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

Adding to 20110274475 its reverse (57447201102), we get a palindrome (77557475577).

The spelling of 20110274475 in words is "twenty billion, one hundred ten million, two hundred seventy-four thousand, four hundred seventy-five".