20202032323 has 4 divisors (see below), whose sum is σ = 22038580728. Its totient is φ = 18365483920.

The previous prime is 20202032317. The next prime is 20202032329. The reversal of 20202032323 is 32323020202.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20202032317) and next prime (20202032329).

It is a cyclic number.

It is not a de Polignac number, because 20202032323 - 2¹³ = 20202024131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20202032323.

It is not an unprimeable number, because it can be changed into a prime (20202032329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918274186 + ... + 918274207.

It is an arithmetic number, because the mean of its divisors is an integer number (5509645182).

Almost surely, 2^20202032323 is an apocalyptic number.

20202032323 is a deficient number, since it is larger than the sum of its proper divisors (1836548405).

20202032323 is a wasteful number, since it uses less digits than its factorization.

20202032323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836548404.

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20202032323 its reverse (32323020202), we get a palindrome (52525052525).

The spelling of 20202032323 in words is "twenty billion, two hundred two million, thirty-two thousand, three hundred twenty-three".