20390150592 has 168 divisors, whose sum is σ = 67283295456. Its totient is φ = 5783076864.

The previous prime is 20390150551. The next prime is 20390150593. The reversal of 20390150592 is 29505109302.

It is a happy number.

20390150592 is a `hidden beast` number, since 20 + 39 + 0 + 15 + 0 + 592 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20390150593) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 533928 + ... + 570840.

Almost surely, 2^20390150592 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 20390150592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33641647728).

20390150592 is an abundant number, since it is smaller than the sum of its proper divisors (46893144864).

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

20390150592 is a wasteful number, since it uses less digits than its factorization.

20390150592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37075 (or 37062 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

Adding to 20390150592 its reverse (29505109302), we get a palindrome (49895259894).

The spelling of 20390150592 in words is "twenty billion, three hundred ninety million, one hundred fifty thousand, five hundred ninety-two".