420575120522093 has 4 divisors (see below), whose sum is σ = 429523527341760. Its totient is φ = 411626713702428.

The previous prime is 420575120522057. The next prime is 420575120522119. The reversal of 420575120522093 is 390225021575024.

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 420575120522093 - 2¹² = 420575120517997 is a prime.

It is a super-2 number, since 2×420575120522093² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 8948406819619 = 420575120522093 / (4 + 2 + 0 + 5 + 7 + 5 + 1 + 2 + 0 + 5 + 2 + 2 + 0 + 9 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420575120528093) 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, 4474203409763 + ... + 4474203409856.

It is an arithmetic number, because the mean of its divisors is an integer number (107380881835440).

Almost surely, 2^{420575120522093} is an apocalyptic number.

It is an amenable number.

420575120522093 is a deficient number, since it is larger than the sum of its proper divisors (8948406819667).

420575120522093 is an equidigital number, since it uses as much as digits as its factorization.

420575120522093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8948406819666.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 420575120522093 in words is "four hundred twenty trillion, five hundred seventy-five billion, one hundred twenty million, five hundred twenty-two thousand, ninety-three".