20413402212 has 96 divisors (see below), whose sum is σ = 56646374400. Its totient is φ = 5600149632.

The previous prime is 20413402183. The next prime is 20413402223. The reversal of 20413402212 is 21220431402.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165214 + ... + 261002.

It is an arithmetic number, because the mean of its divisors is an integer number (590066400).

Almost surely, 2^20413402212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20413402212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28323187200).

20413402212 is an abundant number, since it is smaller than the sum of its proper divisors (36232972188).

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

20413402212 is a wasteful number, since it uses less digits than its factorization.

20413402212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95905 (or 95903 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20413402212 its reverse (21220431402), we get a palindrome (41633833614).

The spelling of 20413402212 in words is "twenty billion, four hundred thirteen million, four hundred two thousand, two hundred twelve".