420451530213 has 24 divisors (see below), whose sum is σ = 662228131680. Its totient is φ = 235217636160.

The previous prime is 420451530203. The next prime is 420451530223. The reversal of 420451530213 is 312035154024.

It is an interprime number because it is at equal distance from previous prime (420451530203) and next prime (420451530223).

It is not a de Polignac number, because 420451530213 - 2⁵ = 420451530181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420451530203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37689558 + ... + 37700711.

It is an arithmetic number, because the mean of its divisors is an integer number (27592838820).

Almost surely, 2^420451530213 is an apocalyptic number.

It is an amenable number.

420451530213 is a deficient number, since it is larger than the sum of its proper divisors (241776601467).

420451530213 is a wasteful number, since it uses less digits than its factorization.

420451530213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75390309 (or 75390296 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 420451530213 its reverse (312035154024), we get a palindrome (732486684237).

The spelling of 420451530213 in words is "four hundred twenty billion, four hundred fifty-one million, five hundred thirty thousand, two hundred thirteen".