190740220 has 24 divisors (see below), whose sum is σ = 436969008. Its totient is φ = 69360000.

The previous prime is 190740211. The next prime is 190740227. The reversal of 190740220 is 22047091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190740227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433281 + ... + 433720.

It is an arithmetic number, because the mean of its divisors is an integer number (18207042).

Almost surely, 2^190740220 is an apocalyptic number.

190740220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190740220 is an abundant number, since it is smaller than the sum of its proper divisors (246228788).

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

190740220 is a wasteful number, since it uses less digits than its factorization.

190740220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867021 (or 867019 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 190740220 is about 13810.8732526224. The cubic root of 190740220 is about 575.6353103973.

The spelling of 190740220 in words is "one hundred ninety million, seven hundred forty thousand, two hundred twenty".