420202472 has 16 divisors (see below), whose sum is σ = 788301600. Its totient is φ = 209988720.

The previous prime is 420202463. The next prime is 420202507. The reversal of 420202472 is 274202024.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3029 + ... + 29147.

It is an arithmetic number, because the mean of its divisors is an integer number (49268850).

Almost surely, 2^420202472 is an apocalyptic number.

It is an amenable number.

420202472 is a deficient number, since it is larger than the sum of its proper divisors (368099128).

420202472 is a wasteful number, since it uses less digits than its factorization.

420202472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28136 (or 28132 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 420202472 is about 20498.8407477106. The cubic root of 420202472 is about 749.0075596250.

Adding to 420202472 its reverse (274202024), we get a palindrome (694404496).

The spelling of 420202472 in words is "four hundred twenty million, two hundred two thousand, four hundred seventy-two".