420925732242021 has 12 divisors (see below), whose sum is σ = 609273154538880. Its totient is φ = 280031315253480.

The previous prime is 420925732241957. The next prime is 420925732242131. The reversal of 420925732242021 is 120242237529024.

420925732242021 is a `hidden beast` number, since 42 + 0 + 92 + 57 + 32 + 2 + 420 + 21 = 666.

It is not a de Polignac number, because 420925732242021 - 2⁶ = 420925732241957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420925732240021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48819959995 + ... + 48819968616.

It is an arithmetic number, because the mean of its divisors is an integer number (50772762878240).

Almost surely, 2^{420925732242021} is an apocalyptic number.

It is an amenable number.

420925732242021 is a deficient number, since it is larger than the sum of its proper divisors (188347422296859).

420925732242021 is a wasteful number, since it uses less digits than its factorization.

420925732242021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97639929096 (or 97639929093 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 420925732242021 in words is "four hundred twenty trillion, nine hundred twenty-five billion, seven hundred thirty-two million, two hundred forty-two thousand, twenty-one".