20135054324 has 72 divisors (see below), whose sum is σ = 44767723392. Its totient is φ = 7835667840.

The previous prime is 20135054299. The next prime is 20135054369. The reversal of 20135054324 is 42345053102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2015189 + ... + 2025155.

It is an arithmetic number, because the mean of its divisors is an integer number (621773936).

Almost surely, 2^20135054324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20135054324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22383861696).

20135054324 is an abundant number, since it is smaller than the sum of its proper divisors (24632669068).

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

20135054324 is a wasteful number, since it uses less digits than its factorization.

20135054324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10933 (or 10924 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 20135054324 in words is "twenty billion, one hundred thirty-five million, fifty-four thousand, three hundred twenty-four".