20021024043 has 16 divisors (see below), whose sum is σ = 29667936640. Its totient is φ = 13344127272.

The previous prime is 20021024011. The next prime is 20021024077. The reversal of 20021024043 is 34042012002.

It is not a de Polignac number, because 20021024043 - 2⁵ = 20021024011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20021024003) 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, 27180 + ... + 201942.

It is an arithmetic number, because the mean of its divisors is an integer number (1854246040).

Almost surely, 2^20021024043 is an apocalyptic number.

20021024043 is a deficient number, since it is larger than the sum of its proper divisors (9646912597).

20021024043 is a wasteful number, since it uses less digits than its factorization.

20021024043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179015 (or 179009 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20021024043 its reverse (34042012002), we get a palindrome (54063036045).

The spelling of 20021024043 in words is "twenty billion, twenty-one million, twenty-four thousand, forty-three".