20404501152 has 192 divisors, whose sum is σ = 66078996480. Its totient is φ = 5383977984.

The previous prime is 20404501151. The next prime is 20404501157. The reversal of 20404501152 is 25110540402.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20404501151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425463 + ... + 470985.

It is an arithmetic number, because the mean of its divisors is an integer number (344161440).

Almost surely, 2^20404501152 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 20404501152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33039498240).

20404501152 is an abundant number, since it is smaller than the sum of its proper divisors (45674495328).

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

20404501152 is a wasteful number, since it uses less digits than its factorization.

20404501152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45595 (or 45587 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 20404501152 in words is "twenty billion, four hundred four million, five hundred one thousand, one hundred fifty-two".