33021013100020 has 48 divisors (see below), whose sum is σ = 78937188640128. Its totient is φ = 11485569772160.

The previous prime is 33021013099999. The next prime is 33021013100021. The reversal of 33021013100020 is 2000131012033.

It is a junction number, because it is equal to n+sod(n) for n = 33021013099967 and 33021013100003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33021013100021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3262940899 + ... + 3262951018.

It is an arithmetic number, because the mean of its divisors is an integer number (1644524763336).

Almost surely, 2^{33021013100020} is an apocalyptic number.

It is an amenable number.

33021013100020 is an abundant number, since it is smaller than the sum of its proper divisors (45916175540108).

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

33021013100020 is a wasteful number, since it uses less digits than its factorization.

33021013100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6525891960 (or 6525891958 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 33021013100020 its reverse (2000131012033), we get a palindrome (35021144112053).

The spelling of 33021013100020 in words is "thirty-three trillion, twenty-one billion, thirteen million, one hundred thousand, twenty".