20199652 has 24 divisors (see below), whose sum is σ = 38808000. Its totient is φ = 9123360.

The previous prime is 20199643. The next prime is 20199659. The reversal of 20199652 is 25699102.

It is a super-2 number, since 2×20199652² = 816051881842208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20199659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5974 + ... + 8722.

It is an arithmetic number, because the mean of its divisors is an integer number (1617000).

Almost surely, 2^20199652 is an apocalyptic number.

20199652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20199652 is a deficient number, since it is larger than the sum of its proper divisors (18608348).

20199652 is a wasteful number, since it uses less digits than its factorization.

20199652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931 (or 2929 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 20199652 is about 4494.4022961902. The cubic root of 20199652 is about 272.3420041947.

The spelling of 20199652 in words is "twenty million, one hundred ninety-nine thousand, six hundred fifty-two".