235190020 has 24 divisors (see below), whose sum is σ = 531891864. Its totient is φ = 86839296.

The previous prime is 235190017. The next prime is 235190027. The reversal of 235190020 is 20091532.

It can be written as a sum of positive squares in 4 ways, for example, as 7300804 + 227889216 = 2702^2 + 15096^2 .

It is a junction number, because it is equal to n+sod(n) for n = 235189973 and 235190000.

It is not an unprimeable number, because it can be changed into a prime (235190027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452029 + ... + 452548.

It is an arithmetic number, because the mean of its divisors is an integer number (22162161).

Almost surely, 2^235190020 is an apocalyptic number.

235190020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235190020 is an abundant number, since it is smaller than the sum of its proper divisors (296701844).

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

235190020 is a wasteful number, since it uses less digits than its factorization.

235190020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904599 (or 904597 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 235190020 is about 15335.9062334118. The cubic root of 235190020 is about 617.2668627678.

The spelling of 235190020 in words is "two hundred thirty-five million, one hundred ninety thousand, twenty".