20231340020 has 12 divisors (see below), whose sum is σ = 42485814084. Its totient is φ = 8092536000.

The previous prime is 20231339993. The next prime is 20231340043. The reversal of 20231340020 is 2004313202.

It can be written as a sum of positive squares in 2 ways, for example, as 3263151376 + 16968188644 = 57124^2 + 130262^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505783481 + ... + 505783520.

It is an arithmetic number, because the mean of its divisors is an integer number (3540484507).

Almost surely, 2^20231340020 is an apocalyptic number.

20231340020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20231340020 is an abundant number, since it is smaller than the sum of its proper divisors (22254474064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20231340020 is a wasteful number, since it uses less digits than its factorization.

20231340020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011567010 (or 1011567008 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20231340020 its reverse (2004313202), we get a palindrome (22235653222).

The spelling of 20231340020 in words is "twenty billion, two hundred thirty-one million, three hundred forty thousand, twenty".