20102042304304 has 20 divisors (see below), whose sum is σ = 38948230536640. Its totient is φ = 10050886036800.

The previous prime is 20102042304271. The next prime is 20102042304307. The reversal of 20102042304304 is 40340324020102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20102042304307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7211847 + ... + 9602854.

It is an arithmetic number, because the mean of its divisors is an integer number (1947411526832).

Almost surely, 2^{20102042304304} is an apocalyptic number.

It is an amenable number.

20102042304304 is a deficient number, since it is larger than the sum of its proper divisors (18846188232336).

20102042304304 is a wasteful number, since it uses less digits than its factorization.

20102042304304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16889428 (or 16889422 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20102042304304 its reverse (40340324020102), we get a palindrome (60442366324406).

The spelling of 20102042304304 in words is "twenty trillion, one hundred two billion, forty-two million, three hundred four thousand, three hundred four".