20507092 has 12 divisors (see below), whose sum is σ = 36423520. Its totient is φ = 10100376.

The previous prime is 20507051. The next prime is 20507107. The reversal of 20507092 is 29070502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37992 + ... + 38527.

Almost surely, 2^20507092 is an apocalyptic number.

It is an amenable number.

20507092 is a deficient number, since it is larger than the sum of its proper divisors (15916428).

20507092 is a wasteful number, since it uses less digits than its factorization.

20507092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76590 (or 76588 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 20507092 is about 4528.4756817278. The cubic root of 20507092 is about 273.7167406755.

Adding to 20507092 its reverse (29070502), we get a palindrome (49577594).

The spelling of 20507092 in words is "twenty million, five hundred seven thousand, ninety-two".