20001002022102 has 16 divisors (see below), whose sum is σ = 40009986942912. Its totient is φ = 6665670190920.

The previous prime is 20001002022061. The next prime is 20001002022137. The reversal of 20001002022102 is 20122020010002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332588208 + ... + 332648339.

It is an arithmetic number, because the mean of its divisors is an integer number (2500624183932).

Almost surely, 2^{20001002022102} is an apocalyptic number.

20001002022102 is an abundant number, since it is smaller than the sum of its proper divisors (20008984920810).

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

20001002022102 is a wasteful number, since it uses less digits than its factorization.

20001002022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665241563.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20001002022102 its reverse (20122020010002), we get a palindrome (40123022032104).

The spelling of 20001002022102 in words is "twenty trillion, one billion, two million, twenty-two thousand, one hundred two".