20000021202112 has 112 divisors (see below), whose sum is σ = 48457016055040. Its totient is φ = 7999110484992.

The previous prime is 20000021202079. The next prime is 20000021202137. The reversal of 20000021202112 is 21120212000002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 20000021202092 and 20000021202101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16964223 + ... + 18104830.

Almost surely, 2^{20000021202112} is an apocalyptic number.

It is an amenable number.

20000021202112 is an abundant number, since it is smaller than the sum of its proper divisors (28456994852928).

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

20000021202112 is a wasteful number, since it uses less digits than its factorization.

20000021202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35069158 (or 35069148 counting only the distinct ones).

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

Adding to 20000021202112 its reverse (21120212000002), we get a palindrome (41120233202114).

The spelling of 20000021202112 in words is "twenty trillion, twenty-one million, two hundred two thousand, one hundred twelve".