20013111202102 has 8 divisors (see below), whose sum is σ = 30176837834112. Its totient is φ = 9954165257400.

The previous prime is 20013111202081. The next prime is 20013111202103. The reversal of 20013111202102 is 20120211131002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013111202103) 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, 26195171349 + ... + 26195172112.

It is an arithmetic number, because the mean of its divisors is an integer number (3772104729264).

Almost surely, 2^{20013111202102} is an apocalyptic number.

20013111202102 is a deficient number, since it is larger than the sum of its proper divisors (10163726632010).

20013111202102 is a wasteful number, since it uses less digits than its factorization.

20013111202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52390343654.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20013111202102 its reverse (20120211131002), we get a palindrome (40133322333104).

The spelling of 20013111202102 in words is "twenty trillion, thirteen billion, one hundred eleven million, two hundred two thousand, one hundred two".