20414666253 has 8 divisors (see below), whose sum is σ = 27221453728. Its totient is φ = 13608828144.

The previous prime is 20414666221. The next prime is 20414666273. The reversal of 20414666253 is 35266641402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20414666253 - 2⁵ = 20414666221 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 (20414666273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185551 + ... + 274332.

It is an arithmetic number, because the mean of its divisors is an integer number (3402681716).

Almost surely, 2^20414666253 is an apocalyptic number.

It is an amenable number.

20414666253 is a deficient number, since it is larger than the sum of its proper divisors (6806787475).

20414666253 is a wasteful number, since it uses less digits than its factorization.

20414666253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474683.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 20414666253 in words is "twenty billion, four hundred fourteen million, six hundred sixty-six thousand, two hundred fifty-three".