20102220010012 has 24 divisors (see below), whose sum is σ = 40205936615040. Its totient is φ = 8614916448240.

The previous prime is 20102220010007. The next prime is 20102220010049. The reversal of 20102220010012 is 21001002220102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20102220009974 and 20102220010001.

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, 12596062 + ... + 14101957.

It is an arithmetic number, because the mean of its divisors is an integer number (1675247358960).

Almost surely, 2^{20102220010012} is an apocalyptic number.

It is an amenable number.

20102220010012 is an abundant number, since it is smaller than the sum of its proper divisors (20103716605028).

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

20102220010012 is a wasteful number, since it uses less digits than its factorization.

20102220010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26724921 (or 26724919 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20102220010012 its reverse (21001002220102), we get a palindrome (41103222230114).

The spelling of 20102220010012 in words is "twenty trillion, one hundred two billion, two hundred twenty million, ten thousand, twelve".