20941413601 has 4 divisors (see below), whose sum is σ = 21616943104. Its totient is φ = 20265884100.

The previous prime is 20941413599. The next prime is 20941413607. The reversal of 20941413601 is 10631414902.

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 20941413601 - 2¹ = 20941413599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 675529471 = 20941413601 / (2 + 0 + 9 + 4 + 1 + 4 + 1 + 3 + 6 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20941413607) 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, 337764705 + ... + 337764766.

It is an arithmetic number, because the mean of its divisors is an integer number (5404235776).

Almost surely, 2^20941413601 is an apocalyptic number.

It is an amenable number.

20941413601 is a deficient number, since it is larger than the sum of its proper divisors (675529503).

20941413601 is an equidigital number, since it uses as much as digits as its factorization.

20941413601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675529502.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 20941413601 in words is "twenty billion, nine hundred forty-one million, four hundred thirteen thousand, six hundred one".