420254843201 has 4 divisors (see below), whose sum is σ = 420258915072. Its totient is φ = 420250771332.

The previous prime is 420254843179. The next prime is 420254843213. The reversal of 420254843201 is 102348452024.

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 420254843201 - 2²² = 420250648897 is a prime.

It is a super-2 number, since 2×420254843201² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420254843101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1876985 + ... + 2088918.

It is an arithmetic number, because the mean of its divisors is an integer number (105064728768).

Almost surely, 2^420254843201 is an apocalyptic number.

It is an amenable number.

420254843201 is a deficient number, since it is larger than the sum of its proper divisors (4071871).

420254843201 is a wasteful number, since it uses less digits than its factorization.

420254843201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071870.

The product of its (nonzero) digits is 61440, while the sum is 35.

The spelling of 420254843201 in words is "four hundred twenty billion, two hundred fifty-four million, eight hundred forty-three thousand, two hundred one".