20272349152 has 96 divisors (see below), whose sum is σ = 43920908640. Its totient is φ = 9134407680.

The previous prime is 20272349137. The next prime is 20272349177. The reversal of 20272349152 is 25194327202.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 25058124 + ... + 25058932.

It is an arithmetic number, because the mean of its divisors is an integer number (457509465).

Almost surely, 2^20272349152 is an apocalyptic number.

20272349152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20272349152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21960454320).

20272349152 is an abundant number, since it is smaller than the sum of its proper divisors (23648559488).

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

20272349152 is a wasteful number, since it uses less digits than its factorization.

20272349152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 1356 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 20272349152 in words is "twenty billion, two hundred seventy-two million, three hundred forty-nine thousand, one hundred fifty-two".