420922140 has 48 divisors (see below), whose sum is σ = 1196184192. Its totient is φ = 110569536.

The previous prime is 420922111. The next prime is 420922157. The reversal of 420922140 is 41229024.

It is a self number, because there is not a number n which added to its sum of digits gives 420922140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48334 + ... + 56373.

It is an arithmetic number, because the mean of its divisors is an integer number (24920504).

Almost surely, 2^420922140 is an apocalyptic number.

It is an amenable number.

420922140 is an abundant number, since it is smaller than the sum of its proper divisors (775262052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420922140 is a wasteful number, since it uses less digits than its factorization.

420922140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104786 (or 104784 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 420922140 is about 20516.3871088455. The cubic root of 420922140 is about 749.4349165701.

The spelling of 420922140 in words is "four hundred twenty million, nine hundred twenty-two thousand, one hundred forty".