20024072103 has 16 divisors (see below), whose sum is σ = 30519210240. Its totient is φ = 11439950016.

The previous prime is 20024072077. The next prime is 20024072111. The reversal of 20024072103 is 30127042002.

It is not a de Polignac number, because 20024072103 - 2⁵ = 20024072071 is a prime.

It is a super-2 number, since 2×20024072103² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20024072103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024072153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7108 + ... + 200246.

It is an arithmetic number, because the mean of its divisors is an integer number (1907450640).

Almost surely, 2^20024072103 is an apocalyptic number.

20024072103 is a deficient number, since it is larger than the sum of its proper divisors (10495138137).

20024072103 is a wasteful number, since it uses less digits than its factorization.

20024072103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198086.

The product of its (nonzero) digits is 672, while the sum is 21.

The spelling of 20024072103 in words is "twenty billion, twenty-four million, seventy-two thousand, one hundred three".