20413403412 has 24 divisors (see below), whose sum is σ = 50433114816. Its totient is φ = 6404204928.

The previous prime is 20413403393. The next prime is 20413403471. The reversal of 20413403412 is 21430431402.

It is a super-2 number, since 2×20413403412² (a number of 21 digits) contains 22 as substring.

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, 50032648 + ... + 50033055.

It is an arithmetic number, because the mean of its divisors is an integer number (2101379784).

Almost surely, 2^20413403412 is an apocalyptic number.

It is an amenable number.

20413403412 is an abundant number, since it is smaller than the sum of its proper divisors (30019711404).

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

20413403412 is a wasteful number, since it uses less digits than its factorization.

20413403412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100065727 (or 100065725 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20413403412 its reverse (21430431402), we get a palindrome (41843834814).

The spelling of 20413403412 in words is "twenty billion, four hundred thirteen million, four hundred three thousand, four hundred twelve".