420212202630225 has 48 divisors (see below), whose sum is σ = 703915005097920. Its totient is φ = 221171448672000.

The previous prime is 420212202630211. The next prime is 420212202630257. The reversal of 420212202630225 is 522036202212024.

It is not a de Polignac number, because 420212202630225 - 2⁵ = 420212202630193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88022290 + ... + 92673339.

It is an arithmetic number, because the mean of its divisors is an integer number (14664895939540).

Almost surely, 2^{420212202630225} is an apocalyptic number.

It is an amenable number.

420212202630225 is a deficient number, since it is larger than the sum of its proper divisors (283702802467695).

420212202630225 is a wasteful number, since it uses less digits than its factorization.

420212202630225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180696050 (or 180696045 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 420212202630225 its reverse (522036202212024), we get a palindrome (942248404842249).

The spelling of 420212202630225 in words is "four hundred twenty trillion, two hundred twelve billion, two hundred two million, six hundred thirty thousand, two hundred twenty-five".