33005100020 has 24 divisors (see below), whose sum is σ = 69379173864. Its totient is φ = 13188999296.

The previous prime is 33005100001. The next prime is 33005100031. The reversal of 33005100020 is 2000150033.

It can be written as a sum of positive squares in 4 ways, for example, as 701508196 + 32303591824 = 26486^2 + 179732^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33005099968 and 33005100004.

It is a congruent 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, 794279 + ... + 834798.

It is an arithmetic number, because the mean of its divisors is an integer number (2890798911).

Almost surely, 2^33005100020 is an apocalyptic number.

It is an amenable number.

33005100020 is an abundant number, since it is smaller than the sum of its proper divisors (36374073844).

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

33005100020 is a wasteful number, since it uses less digits than its factorization.

33005100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630099 (or 1630097 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

Adding to 33005100020 its reverse (2000150033), we get a palindrome (35005250053).

The spelling of 33005100020 in words is "thirty-three billion, five million, one hundred thousand, twenty".