190020950 has 48 divisors (see below), whose sum is σ = 406473984. Its totient is φ = 64740000.

The previous prime is 190020931. The next prime is 190020983. The reversal of 190020950 is 59020091.

It is a happy number.

190020950 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190020950² = 72215922877805000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56825 + ... + 60075.

It is an arithmetic number, because the mean of its divisors is an integer number (8468208).

Almost surely, 2^190020950 is an apocalyptic number.

190020950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190020950 is an abundant number, since it is smaller than the sum of its proper divisors (216453034).

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

190020950 is a wasteful number, since it uses less digits than its factorization.

190020950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437 (or 3432 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 190020950 is about 13784.8086675151. The cubic root of 190020950 is about 574.9108368361.

The spelling of 190020950 in words is "one hundred ninety million, twenty thousand, nine hundred fifty".