420133721025 has 12 divisors (see below), whose sum is σ = 694621085552. Its totient is φ = 224071317840.

The previous prime is 420133721011. The next prime is 420133721053. The reversal of 420133721025 is 520127331024.

It is not a de Polignac number, because 420133721025 - 2²² = 420129526721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 420133720983 and 420133721001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2800891399 + ... + 2800891548.

Almost surely, 2^420133721025 is an apocalyptic number.

It is an amenable number.

420133721025 is a deficient number, since it is larger than the sum of its proper divisors (274487364527).

420133721025 is a wasteful number, since it uses less digits than its factorization.

420133721025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5601782960 (or 5601782955 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 420133721025 in words is "four hundred twenty billion, one hundred thirty-three million, seven hundred twenty-one thousand, twenty-five".