20133022320 has 60 divisors (see below), whose sum is σ = 67613402376. Its totient is φ = 5368805760.

The previous prime is 20133022313. The next prime is 20133022369. The reversal of 20133022320 is 2322033102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20133022293 and 20133022302.

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, 13980546 + ... + 13981985.

Almost surely, 2^20133022320 is an apocalyptic number.

20133022320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133022320 is an abundant number, since it is smaller than the sum of its proper divisors (47480380056).

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

20133022320 is a wasteful number, since it uses less digits than its factorization.

20133022320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27962550 (or 27962541 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20133022320 its reverse (2322033102), we get a palindrome (22455055422).

The spelling of 20133022320 in words is "twenty billion, one hundred thirty-three million, twenty-two thousand, three hundred twenty".