420020258583 has 4 divisors (see below), whose sum is σ = 560027011448. Its totient is φ = 280013505720.

The previous prime is 420020258573. The next prime is 420020258617. The reversal of 420020258583 is 385852020024.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 420020258583 - 2¹² = 420020254487 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 (420020258573) 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, 70003376428 + ... + 70003376433.

It is an arithmetic number, because the mean of its divisors is an integer number (140006752862).

Almost surely, 2^420020258583 is an apocalyptic number.

420020258583 is a deficient number, since it is larger than the sum of its proper divisors (140006752865).

420020258583 is a wasteful number, since it uses less digits than its factorization.

420020258583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140006752864.

The product of its (nonzero) digits is 153600, while the sum is 39.

The spelling of 420020258583 in words is "four hundred twenty billion, twenty million, two hundred fifty-eight thousand, five hundred eighty-three".