20010312043 has 8 divisors (see below), whose sum is σ = 21282403968. Its totient is φ = 18748777344.

The previous prime is 20010311987. The next prime is 20010312059. The reversal of 20010312043 is 34021301002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20010312043 - 2²⁵ = 19976757611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010382043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2635396 + ... + 2642977.

It is an arithmetic number, because the mean of its divisors is an integer number (2660300496).

Almost surely, 2^20010312043 is an apocalyptic number.

20010312043 is a deficient number, since it is larger than the sum of its proper divisors (1272091925).

20010312043 is a wasteful number, since it uses less digits than its factorization.

20010312043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278613.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20010312043 its reverse (34021301002), we get a palindrome (54031613045).

The spelling of 20010312043 in words is "twenty billion, ten million, three hundred twelve thousand, forty-three".