30199020 has 24 divisors (see below), whose sum is σ = 84557424. Its totient is φ = 8053056.

The previous prime is 30199019. The next prime is 30199031. The reversal of 30199020 is 2099103.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251599 + ... + 251718.

It is an arithmetic number, because the mean of its divisors is an integer number (3523226).

Almost surely, 2^30199020 is an apocalyptic number.

30199020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30199020 is an abundant number, since it is smaller than the sum of its proper divisors (54358404).

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

30199020 is a wasteful number, since it uses less digits than its factorization.

30199020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503329 (or 503327 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 30199020 is about 5495.3635002609. The cubic root of 30199020 is about 311.4088494170.

The spelling of 30199020 in words is "thirty million, one hundred ninety-nine thousand, twenty".