33020021130 has 32 divisors (see below), whose sum is σ = 79853007168. Its totient is φ = 8738121600.

The previous prime is 33020021117. The next prime is 33020021143. The reversal of 33020021130 is 3112002033.

It is an interprime number because it is at equal distance from previous prime (33020021117) and next prime (33020021143).

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

It is a Curzon 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, 4197091 + ... + 4204950.

It is an arithmetic number, because the mean of its divisors is an integer number (2495406474).

Almost surely, 2^33020021130 is an apocalyptic number.

33020021130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33020021130 is an abundant number, since it is smaller than the sum of its proper divisors (46832986038).

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

33020021130 is a wasteful number, since it uses less digits than its factorization.

33020021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8402182.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 33020021130 its reverse (3112002033), we get a palindrome (36132023163).

The spelling of 33020021130 in words is "thirty-three billion, twenty million, twenty-one thousand, one hundred thirty".