20200231234340 has 12 divisors (see below), whose sum is σ = 42420485592156. Its totient is φ = 8080092493728.

The previous prime is 20200231234321. The next prime is 20200231234433. The reversal of 20200231234340 is 4343213200202.

It can be written as a sum of positive squares in 2 ways, for example, as 14740746639424 + 5459484594916 = 3839368^2 + 2336554^2 .

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, 505005780839 + ... + 505005780878.

It is an arithmetic number, because the mean of its divisors is an integer number (3535040466013).

Almost surely, 2^{20200231234340} is an apocalyptic number.

20200231234340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200231234340 is an abundant number, since it is smaller than the sum of its proper divisors (22220254357816).

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

20200231234340 is a wasteful number, since it uses less digits than its factorization.

20200231234340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010011561726 (or 1010011561724 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20200231234340 its reverse (4343213200202), we get a palindrome (24543444434542).

The spelling of 20200231234340 in words is "twenty trillion, two hundred billion, two hundred thirty-one million, two hundred thirty-four thousand, three hundred forty".