420570422045 has 16 divisors (see below), whose sum is σ = 506024826048. Its totient is φ = 335563065600.

The previous prime is 420570422021. The next prime is 420570422057. The reversal of 420570422045 is 540224075024.

It is not a de Polignac number, because 420570422045 - 2¹⁸ = 420570159901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 420570421996 and 420570422014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16321862 + ... + 16347608.

It is an arithmetic number, because the mean of its divisors is an integer number (31626551628).

Almost surely, 2^420570422045 is an apocalyptic number.

It is an amenable number.

420570422045 is a deficient number, since it is larger than the sum of its proper divisors (85454404003).

420570422045 is a wasteful number, since it uses less digits than its factorization.

420570422045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34300.

The product of its (nonzero) digits is 89600, while the sum is 35.

Adding to 420570422045 its reverse (540224075024), we get a palindrome (960794497069).

The spelling of 420570422045 in words is "four hundred twenty billion, five hundred seventy million, four hundred twenty-two thousand, forty-five".