424161020 has 12 divisors (see below), whose sum is σ = 890738184. Its totient is φ = 169664400.

The previous prime is 424161019. The next prime is 424161043. The reversal of 424161020 is 20161424.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 21208051 = 424161020 / (4 + 2 + 4 + 1 + 6 + 1 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 424160983 and 424161001.

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, 10604006 + ... + 10604045.

It is an arithmetic number, because the mean of its divisors is an integer number (74228182).

Almost surely, 2^424161020 is an apocalyptic number.

It is an amenable number.

424161020 is an abundant number, since it is smaller than the sum of its proper divisors (466577164).

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

424161020 is a wasteful number, since it uses less digits than its factorization.

424161020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21208060 (or 21208058 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 424161020 is about 20595.1698220724. The cubic root of 424161020 is about 751.3522389862.

The spelling of 424161020 in words is "four hundred twenty-four million, one hundred sixty-one thousand, twenty".