20301320032 has 96 divisors (see below), whose sum is σ = 50910612480. Its totient is φ = 7757752320.

The previous prime is 20301319999. The next prime is 20301320033. The reversal of 20301320032 is 23002310302.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 20301319988 and 20301320015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301320033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67944 + ... + 212647.

It is an arithmetic number, because the mean of its divisors is an integer number (530318880).

Almost surely, 2^20301320032 is an apocalyptic number.

It is an amenable number.

20301320032 is an abundant number, since it is smaller than the sum of its proper divisors (30609292448).

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

20301320032 is a wasteful number, since it uses less digits than its factorization.

20301320032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280644 (or 280636 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20301320032 its reverse (23002310302), we get a palindrome (43303630334).

The spelling of 20301320032 in words is "twenty billion, three hundred one million, three hundred twenty thousand, thirty-two".