10321132020 has 96 divisors (see below), whose sum is σ = 29502361728. Its totient is φ = 2695060992.

The previous prime is 10321131983. The next prime is 10321132027. The reversal of 10321132020 is 2023112301.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321132027) 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, 1768347 + ... + 1774173.

It is an arithmetic number, because the mean of its divisors is an integer number (307316268).

Almost surely, 2^10321132020 is an apocalyptic number.

10321132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10321132020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14751180864).

10321132020 is an abundant number, since it is smaller than the sum of its proper divisors (19181229708).

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

10321132020 is a wasteful number, since it uses less digits than its factorization.

10321132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6449 (or 6447 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10321132020 its reverse (2023112301), we get a palindrome (12344244321).

The spelling of 10321132020 in words is "ten billion, three hundred twenty-one million, one hundred thirty-two thousand, twenty".