20133355524 has 12 divisors (see below), whose sum is σ = 46977829584. Its totient is φ = 6711118504.

The previous prime is 20133355499. The next prime is 20133355577. The reversal of 20133355524 is 42555333102.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838889802 + ... + 838889825.

It is an arithmetic number, because the mean of its divisors is an integer number (3914819132).

Almost surely, 2^20133355524 is an apocalyptic number.

It is an amenable number.

20133355524 is an abundant number, since it is smaller than the sum of its proper divisors (26844474060).

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

20133355524 is a wasteful number, since it uses less digits than its factorization.

20133355524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677779634 (or 1677779632 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 20133355524 its reverse (42555333102), we get a palindrome (62688688626).

The spelling of 20133355524 in words is "twenty billion, one hundred thirty-three million, three hundred fifty-five thousand, five hundred twenty-four".