190020466 has 8 divisors (see below), whose sum is σ = 286508124. Its totient is φ = 94517760.

The previous prime is 190020451. The next prime is 190020469. The reversal of 190020466 is 664020091.

It can be written as a sum of positive squares in 2 ways, for example, as 164224225 + 25796241 = 12815^2 + 5079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×190020466² = 72215554997714312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190020469) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 245755 + ... + 246526.

Almost surely, 2^190020466 is an apocalyptic number.

190020466 is a deficient number, since it is larger than the sum of its proper divisors (96487658).

190020466 is a wasteful number, since it uses less digits than its factorization.

190020466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492476.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 190020466 is about 13784.7911119465. The cubic root of 190020466 is about 574.9103487196.

It can be divided in two parts, 1900 and 20466, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 190020466 in words is "one hundred ninety million, twenty thousand, four hundred sixty-six".