20298375072 has 144 divisors (see below), whose sum is σ = 59813994240. Its totient is φ = 6521872896.

The previous prime is 20298375061. The next prime is 20298375131. The reversal of 20298375072 is 27057389202.

20298375072 is a `hidden beast` number, since 20 + 2 + 98 + 37 + 507 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6070233 + ... + 6073575.

It is an arithmetic number, because the mean of its divisors is an integer number (415374960).

Almost surely, 2^20298375072 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 20298375072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29906997120).

20298375072 is an abundant number, since it is smaller than the sum of its proper divisors (39515619168).

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

20298375072 is a wasteful number, since it uses less digits than its factorization.

20298375072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115 (or 4104 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 20298375072 in words is "twenty billion, two hundred ninety-eight million, three hundred seventy-five thousand, seventy-two".