20190292 has 6 divisors (see below), whose sum is σ = 35333018. Its totient is φ = 10095144.

The previous prime is 20190277. The next prime is 20190299. The reversal of 20190292 is 29209102.

It can be written as a sum of positive squares in only one way, i.e., 18541636 + 1648656 = 4306^2 + 1284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20190299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2523783 + ... + 2523790.

Almost surely, 2^20190292 is an apocalyptic number.

It is an amenable number.

20190292 is a deficient number, since it is larger than the sum of its proper divisors (15142726).

20190292 is a wasteful number, since it uses less digits than its factorization.

20190292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047577 (or 5047575 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 20190292 is about 4493.3608802321. The cubic root of 20190292 is about 272.2999322654.

Adding to 20190292 its reverse (29209102), we get a palindrome (49399394).

The spelling of 20190292 in words is "twenty million, one hundred ninety thousand, two hundred ninety-two".