20011012020102 has 48 divisors (see below), whose sum is σ = 41842673817840. Its totient is φ = 6379574536896.

The previous prime is 20011012020073. The next prime is 20011012020113. The reversal of 20011012020102 is 20102021011002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27023128 + ... + 27753764.

It is an arithmetic number, because the mean of its divisors is an integer number (871722371205).

Almost surely, 2^{20011012020102} is an apocalyptic number.

20011012020102 is an abundant number, since it is smaller than the sum of its proper divisors (21831661797738).

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

20011012020102 is a wasteful number, since it uses less digits than its factorization.

20011012020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739317 (or 739294 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20011012020102 its reverse (20102021011002), we get a palindrome (40113033031104).

The spelling of 20011012020102 in words is "twenty trillion, eleven billion, twelve million, twenty thousand, one hundred two".