20133030 has 32 divisors (see below), whose sum is σ = 49446144. Its totient is φ = 5243616.

The previous prime is 20133023. The next prime is 20133041. The reversal of 20133030 is 3033102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20132997 and 20133015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6514 + ... + 9093.

It is an arithmetic number, because the mean of its divisors is an integer number (1545192).

Almost surely, 2^20133030 is an apocalyptic number.

20133030 is an abundant number, since it is smaller than the sum of its proper divisors (29313114).

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

20133030 is a wasteful number, since it uses less digits than its factorization.

20133030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15660.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 20133030 is about 4486.9845107823. The cubic root of 20133030 is about 272.0422638334.

Adding to 20133030 its reverse (3033102), we get a palindrome (23166132).

The spelling of 20133030 in words is "twenty million, one hundred thirty-three thousand, thirty".