420020233201 has 4 divisors (see below), whose sum is σ = 420039728100. Its totient is φ = 420000738304.

The previous prime is 420020233153. The next prime is 420020233219. The reversal of 420020233201 is 102332020024.

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

It can be written as a sum of positive squares in 2 ways, for example, as 128662103025 + 291358130176 = 358695^2 + 539776^2 .

It is a cyclic number.

It is not a de Polignac number, because 420020233201 - 2¹¹ = 420020231153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420020233901) 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, 9715096 + ... + 9758233.

It is an arithmetic number, because the mean of its divisors is an integer number (105009932025).

Almost surely, 2^420020233201 is an apocalyptic number.

It is an amenable number.

420020233201 is a deficient number, since it is larger than the sum of its proper divisors (19494899).

420020233201 is a wasteful number, since it uses less digits than its factorization.

420020233201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19494898.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 420020233201 its reverse (102332020024), we get a palindrome (522352253225).

The spelling of 420020233201 in words is "four hundred twenty billion, twenty million, two hundred thirty-three thousand, two hundred one".