20413402462644 has 24 divisors (see below), whose sum is σ = 47880650807808. Its totient is φ = 6768842002560.

The previous prime is 20413402462631. The next prime is 20413402462679. The reversal of 20413402462644 is 44626420431402.

It is a junction number, because it is equal to n+sod(n) for n = 20413402462596 and 20413402462605.

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, 4453183237 + ... + 4453187820.

It is an arithmetic number, because the mean of its divisors is an integer number (1995027116992).

Almost surely, 2^{20413402462644} is an apocalyptic number.

It is an amenable number.

20413402462644 is an abundant number, since it is smaller than the sum of its proper divisors (27467248345164).

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

20413402462644 is a wasteful number, since it uses less digits than its factorization.

20413402462644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8906371255 (or 8906371253 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 20413402462644 in words is "twenty trillion, four hundred thirteen billion, four hundred two million, four hundred sixty-two thousand, six hundred forty-four".