33013433020 has 24 divisors (see below), whose sum is σ = 70464739968. Its totient is φ = 12988891200.

The previous prime is 33013432997. The next prime is 33013433023. The reversal of 33013433020 is 2033431033.

It is a junction number, because it is equal to n+sod(n) for n = 33013432982 and 33013433000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33013433023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13528876 + ... + 13531315.

It is an arithmetic number, because the mean of its divisors is an integer number (2936030832).

Almost surely, 2^33013433020 is an apocalyptic number.

It is an amenable number.

33013433020 is an abundant number, since it is smaller than the sum of its proper divisors (37451306948).

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

33013433020 is a wasteful number, since it uses less digits than its factorization.

33013433020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27060261 (or 27060259 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 33013433020 its reverse (2033431033), we get a palindrome (35046864053).

The spelling of 33013433020 in words is "thirty-three billion, thirteen million, four hundred thirty-three thousand, twenty".