20043244102 has 16 divisors (see below), whose sum is σ = 35061069600. Its totient is φ = 8589961464.

The previous prime is 20043244097. The next prime is 20043244157. The reversal of 20043244102 is 20144234002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14608093 + ... + 14609464.

It is an arithmetic number, because the mean of its divisors is an integer number (2191316850).

Almost surely, 2^20043244102 is an apocalyptic number.

20043244102 is a deficient number, since it is larger than the sum of its proper divisors (15017825498).

20043244102 is an equidigital number, since it uses as much as digits as its factorization.

20043244102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29217580 (or 29217566 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20043244102 its reverse (20144234002), we get a palindrome (40187478104).

The spelling of 20043244102 in words is "twenty billion, forty-three million, two hundred forty-four thousand, one hundred two".