232021420 has 24 divisors (see below), whose sum is σ = 493416000. Its totient is φ = 91633152.

The previous prime is 232021417. The next prime is 232021451. The reversal of 232021420 is 24120232.

It is a junction number, because it is equal to n+sod(n) for n = 232021394 and 232021403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71845 + ... + 75004.

It is an arithmetic number, because the mean of its divisors is an integer number (20559000).

Almost surely, 2^232021420 is an apocalyptic number.

232021420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232021420 is an abundant number, since it is smaller than the sum of its proper divisors (261394580).

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

232021420 is a wasteful number, since it uses less digits than its factorization.

232021420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146937 (or 146935 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 232021420 is about 15232.2493414466. The cubic root of 232021420 is about 614.4822751950.

Adding to 232021420 its reverse (24120232), we get a palindrome (256141652).

The spelling of 232021420 in words is "two hundred thirty-two million, twenty-one thousand, four hundred twenty".