20323002203031 has 16 divisors (see below), whose sum is σ = 29603510149248. Its totient is φ = 12299146168800.

The previous prime is 20323002203029. The next prime is 20323002203033. The reversal of 20323002203031 is 13030220032302.

It is an interprime number because it is at equal distance from previous prime (20323002203029) and next prime (20323002203033).

It is not a de Polignac number, because 20323002203031 - 2¹ = 20323002203029 is a prime.

It is a super-2 number, since 2×20323002203031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20323002202989 and 20323002203007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323002203033) 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, 445598436 + ... + 445644041.

It is an arithmetic number, because the mean of its divisors is an integer number (1850219384328).

Almost surely, 2^{20323002203031} is an apocalyptic number.

20323002203031 is a deficient number, since it is larger than the sum of its proper divisors (9280507946217).

20323002203031 is a wasteful number, since it uses less digits than its factorization.

20323002203031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891243182.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20323002203031 its reverse (13030220032302), we get a palindrome (33353222235333).

The spelling of 20323002203031 in words is "twenty trillion, three hundred twenty-three billion, two million, two hundred three thousand, thirty-one".