10199020 has 24 divisors (see below), whose sum is σ = 23066064. Its totient is φ = 3765696.

The previous prime is 10199009. The next prime is 10199027. The reversal of 10199020 is 2099101.

It is a junction number, because it is equal to n+sod(n) for n = 10198982 and 10199000.

It is not an unprimeable number, because it can be changed into a prime (10199027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19354 + ... + 19873.

It is an arithmetic number, because the mean of its divisors is an integer number (961086).

Almost surely, 2^10199020 is an apocalyptic number.

10199020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10199020 is an abundant number, since it is smaller than the sum of its proper divisors (12867044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10199020 is a wasteful number, since it uses less digits than its factorization.

10199020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39249 (or 39247 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 10199020 is about 3193.5904558976. The cubic root of 10199020 is about 216.8633427835.

The spelling of 10199020 in words is "ten million, one hundred ninety-nine thousand, twenty".