20010143202331 has 4 divisors (see below), whose sum is σ = 20010284819200. Its totient is φ = 20010001585464.

The previous prime is 20010143202293. The next prime is 20010143202337. The reversal of 20010143202331 is 13320234101002.

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

It is a cyclic number.

It is not a de Polignac number, because 20010143202331 - 2¹¹ = 20010143200283 is a prime.

It is a super-2 number, since 2×20010143202331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010143202337) 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, 70596276 + ... + 70879153.

It is an arithmetic number, because the mean of its divisors is an integer number (5002571204800).

Almost surely, 2^{20010143202331} is an apocalyptic number.

20010143202331 is a deficient number, since it is larger than the sum of its proper divisors (141616869).

20010143202331 is a wasteful number, since it uses less digits than its factorization.

20010143202331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141616868.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20010143202331 its reverse (13320234101002), we get a palindrome (33330377303333).

It can be divided in two parts, 20010 and 143202331, that added together give a palindrome (143222341).

The spelling of 20010143202331 in words is "twenty trillion, ten billion, one hundred forty-three million, two hundred two thousand, three hundred thirty-one".