33313152020 has 48 divisors (see below), whose sum is σ = 74325943440. Its totient is φ = 12518037504.

The previous prime is 33313152013. The next prime is 33313152053. The reversal of 33313152020 is 2025131333.

It can be written as a sum of positive squares in 8 ways, for example, as 600642064 + 32712509956 = 24508^2 + 180866^2 .

It is a super-2 number, since 2×33313152020² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 754709 + ... + 797628.

It is an arithmetic number, because the mean of its divisors is an integer number (1548457155).

Almost surely, 2^33313152020 is an apocalyptic number.

It is an amenable number.

33313152020 is an abundant number, since it is smaller than the sum of its proper divisors (41012791420).

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

33313152020 is a wasteful number, since it uses less digits than its factorization.

33313152020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552412 (or 1552410 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

Adding to 33313152020 its reverse (2025131333), we get a palindrome (35338283353).

The spelling of 33313152020 in words is "thirty-three billion, three hundred thirteen million, one hundred fifty-two thousand, twenty".