20011311413413 has 4 divisors (see below), whose sum is σ = 20252411551008. Its totient is φ = 19770211275820.

The previous prime is 20011311413411. The next prime is 20011311413453. The reversal of 20011311413413 is 31431411311002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20011311413413 - 2¹ = 20011311413411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011311413411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120550068673 + ... + 120550068838.

It is an arithmetic number, because the mean of its divisors is an integer number (5063102887752).

Almost surely, 2^{20011311413413} is an apocalyptic number.

It is an amenable number.

20011311413413 is a deficient number, since it is larger than the sum of its proper divisors (241100137595).

20011311413413 is an equidigital number, since it uses as much as digits as its factorization.

20011311413413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241100137594.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 20011311413413 its reverse (31431411311002), we get a palindrome (51442722724415).

The spelling of 20011311413413 in words is "twenty trillion, eleven billion, three hundred eleven million, four hundred thirteen thousand, four hundred thirteen".