190238220 has 60 divisors (see below), whose sum is σ = 596789424. Its totient is φ = 50729760.

The previous prime is 190238197. The next prime is 190238249. The reversal of 190238220 is 22832091.

It is a happy number.

190238220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 57096 + ... + 60335.

Almost surely, 2^190238220 is an apocalyptic number.

190238220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190238220 is an abundant number, since it is smaller than the sum of its proper divisors (406551204).

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

190238220 is a wasteful number, since it uses less digits than its factorization.

190238220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117452 (or 117441 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 190238220 is about 13792.6871928569. The cubic root of 190238220 is about 575.1298711058.

The spelling of 190238220 in words is "one hundred ninety million, two hundred thirty-eight thousand, two hundred twenty".