33013301020 has 96 divisors (see below), whose sum is σ = 80997396480. Its totient is φ = 11067114240.

The previous prime is 33013300997. The next prime is 33013301047. The reversal of 33013301020 is 2010331033.

It is a junction number, because it is equal to n+sod(n) for n = 33013300985 and 33013301003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9401065 + ... + 9404575.

It is an arithmetic number, because the mean of its divisors is an integer number (843722880).

Almost surely, 2^33013301020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33013301020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40498698240).

33013301020 is an abundant number, since it is smaller than the sum of its proper divisors (47984095460).

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

33013301020 is a wasteful number, since it uses less digits than its factorization.

33013301020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003 (or 5001 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 33013301020 its reverse (2010331033), we get a palindrome (35023632053).

The spelling of 33013301020 in words is "thirty-three billion, thirteen million, three hundred one thousand, twenty".