30201930 has 64 divisors (see below), whose sum is σ = 87868800. Its totient is φ = 7320960.

The previous prime is 30201889. The next prime is 30201931. The reversal of 30201930 is 3910203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30201931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2115 + ... + 8054.

It is an arithmetic number, because the mean of its divisors is an integer number (1372950).

Almost surely, 2^30201930 is an apocalyptic number.

30201930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30201930 is an abundant number, since it is smaller than the sum of its proper divisors (57666870).

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

30201930 is a wasteful number, since it uses less digits than its factorization.

30201930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10196 (or 10190 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 30201930 is about 5495.6282625374. The cubic root of 30201930 is about 311.4188516251.

It can be divided in two parts, 3020 and 1930, that added together give a triangular number (4950 = T₉₉).

The spelling of 30201930 in words is "thirty million, two hundred one thousand, nine hundred thirty".