20321430150 has 96 divisors (see below), whose sum is σ = 57811656960. Its totient is φ = 4627566720.

The previous prime is 20321430127. The next prime is 20321430163. The reversal of 20321430150 is 5103412302.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 246477 + ... + 318423.

It is an arithmetic number, because the mean of its divisors is an integer number (602204760).

Almost surely, 2^20321430150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20321430150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28905828480).

20321430150 is an abundant number, since it is smaller than the sum of its proper divisors (37490226810).

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

20321430150 is a wasteful number, since it uses less digits than its factorization.

20321430150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72238 (or 72233 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20321430150 its reverse (5103412302), we get a palindrome (25424842452).

The spelling of 20321430150 in words is "twenty billion, three hundred twenty-one million, four hundred thirty thousand, one hundred fifty".