30201090 has 32 divisors (see below), whose sum is σ = 72639936. Its totient is φ = 8036160.

The previous prime is 30201077. The next prime is 30201091. The reversal of 30201090 is 9010203.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (30201091) 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 15 ways as a sum of consecutive naturals, for example, 19069 + ... + 20591.

It is an arithmetic number, because the mean of its divisors is an integer number (2269998).

Almost surely, 2^30201090 is an apocalyptic number.

30201090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30201090 is an abundant number, since it is smaller than the sum of its proper divisors (42438846).

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

30201090 is a wasteful number, since it uses less digits than its factorization.

30201090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 30201090 is about 5495.5518376229. The cubic root of 30201090 is about 311.4159644557.

Adding to 30201090 its reverse (9010203), we get a palindrome (39211293).

The spelling of 30201090 in words is "thirty million, two hundred one thousand, ninety".