20002420203102 has 24 divisors (see below), whose sum is σ = 45619554849960. Its totient is φ = 6316553748240.

The previous prime is 20002420203071. The next prime is 20002420203151. The reversal of 20002420203102 is 20130202420002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29243304049 + ... + 29243304732.

It is an arithmetic number, because the mean of its divisors is an integer number (1900814785415).

Almost surely, 2^{20002420203102} is an apocalyptic number.

20002420203102 is an abundant number, since it is smaller than the sum of its proper divisors (25617134646858).

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

20002420203102 is a wasteful number, since it uses less digits than its factorization.

20002420203102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58486608808 (or 58486608805 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20002420203102 its reverse (20130202420002), we get a palindrome (40132622623104).

The spelling of 20002420203102 in words is "twenty trillion, two billion, four hundred twenty million, two hundred three thousand, one hundred two".