10320020 has 48 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 3838464.

The previous prime is 10319999. The next prime is 10320029. The reversal of 10320020 is 2002301.

10320020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×10320020³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320029) 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, 43061 + ... + 43299.

It is an arithmetic number, because the mean of its divisors is an integer number (483840).

Almost surely, 2^10320020 is an apocalyptic number.

10320020 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 10320020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11612160).

10320020 is an abundant number, since it is smaller than the sum of its proper divisors (12904300).

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

10320020 is a wasteful number, since it uses less digits than its factorization.

10320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 10320020 is about 3212.4787937043. The cubic root of 10320020 is about 217.7175873348.

Adding to 10320020 its reverse (2002301), we get a palindrome (12322321).

The spelling of 10320020 in words is "ten million, three hundred twenty thousand, twenty".