420654012 has 12 divisors (see below), whose sum is σ = 981526056. Its totient is φ = 140218000.

The previous prime is 420653971. The next prime is 420654023. The reversal of 420654012 is 210456024.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×420654012² = 353899595623392288, which contains 22 as substring.

It is a congruent 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, 17527239 + ... + 17527262.

It is an arithmetic number, because the mean of its divisors is an integer number (81793838).

Almost surely, 2^420654012 is an apocalyptic number.

It is an amenable number.

420654012 is an abundant number, since it is smaller than the sum of its proper divisors (560872044).

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

420654012 is a wasteful number, since it uses less digits than its factorization.

420654012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35054508 (or 35054506 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 420654012 is about 20509.8515840559. The cubic root of 420654012 is about 749.2757524012.

The spelling of 420654012 in words is "four hundred twenty million, six hundred fifty-four thousand, twelve".