405020204053 has 4 divisors (see below), whose sum is σ = 406187409600. Its totient is φ = 403852998508.

The previous prime is 405020204041. The next prime is 405020204087. The reversal of 405020204053 is 350402020504.

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 405020204053 - 2²⁵ = 404986649621 is a prime.

It is a super-2 number, since 2×405020204053² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405020204653) 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, 583602253 + ... + 583602946.

It is an arithmetic number, because the mean of its divisors is an integer number (101546852400).

Almost surely, 2^405020204053 is an apocalyptic number.

It is an amenable number.

405020204053 is a deficient number, since it is larger than the sum of its proper divisors (1167205547).

405020204053 is a wasteful number, since it uses less digits than its factorization.

405020204053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167205546.

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 405020204053 its reverse (350402020504), we get a palindrome (755422224557).

The spelling of 405020204053 in words is "four hundred five billion, twenty million, two hundred four thousand, fifty-three".