20321301030 has 32 divisors (see below), whose sum is σ = 48952447200. Its totient is φ = 5398866432.

The previous prime is 20321301023. The next prime is 20321301047. The reversal of 20321301030 is 3010312302.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 1250995 + ... + 1267134.

It is an arithmetic number, because the mean of its divisors is an integer number (1529763975).

Almost surely, 2^20321301030 is an apocalyptic number.

20321301030 is an abundant number, since it is smaller than the sum of its proper divisors (28631146170).

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

20321301030 is a wasteful number, since it uses less digits than its factorization.

20321301030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518408.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20321301030 its reverse (3010312302), we get a palindrome (23331613332).

The spelling of 20321301030 in words is "twenty billion, three hundred twenty-one million, three hundred one thousand, thirty".