20020100012102 has 8 divisors (see below), whose sum is σ = 30035679430512. Its totient is φ = 10008206868600.

The previous prime is 20020100012053. The next prime is 20020100012161. The reversal of 20020100012102 is 20121000102002.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921555149 + ... + 921576872.

It is an arithmetic number, because the mean of its divisors is an integer number (3754459928814).

Almost surely, 2^{20020100012102} is an apocalyptic number.

20020100012102 is a deficient number, since it is larger than the sum of its proper divisors (10015579418410).

20020100012102 is a wasteful number, since it uses less digits than its factorization.

20020100012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843137454.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20020100012102 its reverse (20121000102002), we get a palindrome (40141100114104).

The spelling of 20020100012102 in words is "twenty trillion, twenty billion, one hundred million, twelve thousand, one hundred two".