420930452 has 48 divisors (see below), whose sum is σ = 789264000. Its totient is φ = 195980928.

The previous prime is 420930443. The next prime is 420930457. The reversal of 420930452 is 254039024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420930457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843299 + ... + 843797.

It is an arithmetic number, because the mean of its divisors is an integer number (16443000).

Almost surely, 2^420930452 is an apocalyptic number.

It is an amenable number.

420930452 is a deficient number, since it is larger than the sum of its proper divisors (368333548).

420930452 is a wasteful number, since it uses less digits than its factorization.

420930452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 420930452 is about 20516.5896776243. The cubic root of 420930452 is about 749.4398495980.

Adding to 420930452 its reverse (254039024), we get a palindrome (674969476).

The spelling of 420930452 in words is "four hundred twenty million, nine hundred thirty thousand, four hundred fifty-two".