20155301352 has 96 divisors (see below), whose sum is σ = 55076112000. Its totient is φ = 6658444800.

The previous prime is 20155301351. The next prime is 20155301359. The reversal of 20155301352 is 25310355102.

It is a happy number.

20155301352 is a `hidden beast` number, since 2 + 0 + 1 + 5 + 5 + 301 + 352 = 666.

It is not an unprimeable number, because it can be changed into a prime (20155301351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7194352 + ... + 7197152.

It is an arithmetic number, because the mean of its divisors is an integer number (573709500).

Almost surely, 2^20155301352 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 20155301352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27538056000).

20155301352 is an abundant number, since it is smaller than the sum of its proper divisors (34920810648).

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

20155301352 is a wasteful number, since it uses less digits than its factorization.

20155301352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671 (or 3664 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 20155301352 its reverse (25310355102), we get a palindrome (45465656454).

The spelling of 20155301352 in words is "twenty billion, one hundred fifty-five million, three hundred one thousand, three hundred fifty-two".