20573692 has 6 divisors (see below), whose sum is σ = 36003968. Its totient is φ = 10286844.

The previous prime is 20573687. The next prime is 20573711. The reversal of 20573692 is 29637502.

It is a happy 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 as a sum of consecutive naturals, namely, 2571708 + ... + 2571715.

Almost surely, 2^20573692 is an apocalyptic number.

It is an amenable number.

20573692 is a deficient number, since it is larger than the sum of its proper divisors (15430276).

20573692 is a wasteful number, since it uses less digits than its factorization.

20573692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5143427 (or 5143425 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 20573692 is about 4535.8231887938. The cubic root of 20573692 is about 274.0127331714.

The spelling of 20573692 in words is "twenty million, five hundred seventy-three thousand, six hundred ninety-two".