20612680861003 has 24 divisors (see below), whose sum is σ = 26795832228144. Its totient is φ = 15670077292800.

The previous prime is 20612680860917. The next prime is 20612680861009. The reversal of 20612680861003 is 30016808621602.

It is not a de Polignac number, because 20612680861003 - 2³⁷ = 20475241907531 is a prime.

It is a super-2 number, since 2×20612680861003² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20612680861009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466349250 + ... + 466393447.

It is an arithmetic number, because the mean of its divisors is an integer number (1116493009506).

Almost surely, 2^{20612680861003} is an apocalyptic number.

20612680861003 is a deficient number, since it is larger than the sum of its proper divisors (6183151367141).

20612680861003 is a wasteful number, since it uses less digits than its factorization.

20612680861003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932742763 (or 932742756 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 20612680861003 in words is "twenty trillion, six hundred twelve billion, six hundred eighty million, eight hundred sixty-one thousand, three".