10320244020 has 144 divisors (see below), whose sum is σ = 33155635968. Its totient is φ = 2693450880.

The previous prime is 10320244001. The next prime is 10320244073. The reversal of 10320244020 is 2044202301.

10320244020 is a `hidden beast` number, since 1 + 0 + 3 + 202 + 440 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10320243984 and 10320244002.

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, 205830 + ... + 251010.

It is an arithmetic number, because the mean of its divisors is an integer number (230247472).

Almost surely, 2^10320244020 is an apocalyptic number.

10320244020 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 10320244020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16577817984).

10320244020 is an abundant number, since it is smaller than the sum of its proper divisors (22835391948).

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

10320244020 is a wasteful number, since it uses less digits than its factorization.

10320244020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45252 (or 45238 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 10320244020 its reverse (2044202301), we get a palindrome (12364446321).

The spelling of 10320244020 in words is "ten billion, three hundred twenty million, two hundred forty-four thousand, twenty".