33311133020 has 36 divisors (see below), whose sum is σ = 76890910152. Its totient is φ = 12113138400.

The previous prime is 33311133007. The next prime is 33311133061. The reversal of 33311133020 is 2033111333.

It is a super-2 number, since 2×33311133020² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 33311132983 and 33311133001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6880046 + ... + 6884885.

Almost surely, 2^33311133020 is an apocalyptic number.

It is an amenable number.

33311133020 is an abundant number, since it is smaller than the sum of its proper divisors (43579777132).

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

33311133020 is a wasteful number, since it uses less digits than its factorization.

33311133020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13764962 (or 13764949 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 33311133020 its reverse (2033111333), we get a palindrome (35344244353).

The spelling of 33311133020 in words is "thirty-three billion, three hundred eleven million, one hundred thirty-three thousand, twenty".