10320020001 has 32 divisors (see below), whose sum is σ = 15998397440. Its totient is φ = 6566832000.

The previous prime is 10320019973. The next prime is 10320020021. The reversal of 10320020001 is 10002002301.

It is a happy number.

It is not a de Polignac number, because 10320020001 - 2²⁵ = 10286465569 is a prime.

It is a super-3 number, since 3×10320020001³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10320020021) 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, 23350 + ... + 145551.

It is an arithmetic number, because the mean of its divisors is an integer number (499949920).

Almost surely, 2^10320020001 is an apocalyptic number.

It is an amenable number.

10320020001 is a deficient number, since it is larger than the sum of its proper divisors (5678377439).

10320020001 is a wasteful number, since it uses less digits than its factorization.

10320020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169014 (or 169008 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 10320020001 its reverse (10002002301), we get a palindrome (20322022302).

It can be divided in two parts, 103200 and 20001, that added together give a square (123201 = 351²).

The spelling of 10320020001 in words is "ten billion, three hundred twenty million, twenty thousand, one".