20013406413 has 48 divisors (see below), whose sum is σ = 36099681408. Its totient is φ = 9596822400.

The previous prime is 20013406409. The next prime is 20013406459. The reversal of 20013406413 is 31460431002.

It is not a de Polignac number, because 20013406413 - 2² = 20013406409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013406403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269898 + ... + 335963.

It is an arithmetic number, because the mean of its divisors is an integer number (752076696).

Almost surely, 2^20013406413 is an apocalyptic number.

It is an amenable number.

20013406413 is a deficient number, since it is larger than the sum of its proper divisors (16086274995).

20013406413 is a wasteful number, since it uses less digits than its factorization.

20013406413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605906 (or 605895 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20013406413 its reverse (31460431002), we get a palindrome (51473837415).

It can be divided in two parts, 20013 and 406413, that added together give a triangular number (426426 = T₉₂₃).

The spelling of 20013406413 in words is "twenty billion, thirteen million, four hundred six thousand, four hundred thirteen".