20852492 has 12 divisors (see below), whose sum is σ = 36682296. Its totient is φ = 10371840.

The previous prime is 20852473. The next prime is 20852501. The reversal of 20852492 is 29425802.

It is a super-2 number, since 2×20852492² = 869652845220128, which contains 22 as substring.

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, 12734 + ... + 14277.

It is an arithmetic number, because the mean of its divisors is an integer number (3056858).

Almost surely, 2^20852492 is an apocalyptic number.

It is an amenable number.

20852492 is a deficient number, since it is larger than the sum of its proper divisors (15829804).

20852492 is a wasteful number, since it uses less digits than its factorization.

20852492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27208 (or 27206 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 20852492 is about 4566.4528903734. The cubic root of 20852492 is about 275.2449255967.

The spelling of 20852492 in words is "twenty million, eight hundred fifty-two thousand, four hundred ninety-two".