20013133332 has 24 divisors (see below), whose sum is σ = 46874874816. Its totient is φ = 6645678208.

The previous prime is 20013133331. The next prime is 20013133351. The reversal of 20013133332 is 23333131002.

It is a junction number, because it is equal to n+sod(n) for n = 20013133299 and 20013133308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013133331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3167493 + ... + 3173804.

It is an arithmetic number, because the mean of its divisors is an integer number (1953119784).

Almost surely, 2^20013133332 is an apocalyptic number.

It is an amenable number.

20013133332 is an abundant number, since it is smaller than the sum of its proper divisors (26861741484).

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

20013133332 is a wasteful number, since it uses less digits than its factorization.

20013133332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6341567 (or 6341565 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20013133332 its reverse (23333131002), we get a palindrome (43346264334).

The spelling of 20013133332 in words is "twenty billion, thirteen million, one hundred thirty-three thousand, three hundred thirty-two".