20197592 has 16 divisors (see below), whose sum is σ = 38676960. Its totient is φ = 9883744.

The previous prime is 20197561. The next prime is 20197603. The reversal of 20197592 is 29579102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26483 + ... + 27234.

It is an arithmetic number, because the mean of its divisors is an integer number (2417310).

Almost surely, 2^20197592 is an apocalyptic number.

It is an amenable number.

20197592 is a deficient number, since it is larger than the sum of its proper divisors (18479368).

20197592 is a wasteful number, since it uses less digits than its factorization.

20197592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53770 (or 53766 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 20197592 is about 4494.1731163808. The cubic root of 20197592 is about 272.3327458900.

The spelling of 20197592 in words is "twenty million, one hundred ninety-seven thousand, five hundred ninety-two".