320020101003 has 32 divisors (see below), whose sum is σ = 443159277120. Its totient is φ = 205247692800.

The previous prime is 320020100969. The next prime is 320020101041. The reversal of 320020101003 is 300101020023.

It is a happy number.

It is not a de Polignac number, because 320020101003 - 2¹⁷ = 320019969931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320020101003.

It is not an unprimeable number, because it can be changed into a prime (320020101043) 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, 11927203 + ... + 11954003.

It is an arithmetic number, because the mean of its divisors is an integer number (13848727410).

Almost surely, 2^320020101003 is an apocalyptic number.

320020101003 is a deficient number, since it is larger than the sum of its proper divisors (123139176117).

320020101003 is a wasteful number, since it uses less digits than its factorization.

320020101003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28047.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 320020101003 its reverse (300101020023), we get a palindrome (620121121026).

The spelling of 320020101003 in words is "three hundred twenty billion, twenty million, one hundred one thousand, three".