20341021002140 has 24 divisors (see below), whose sum is σ = 43115360409072. Its totient is φ = 8060367200000.

The previous prime is 20341021002131. The next prime is 20341021002143. The reversal of 20341021002140 is 4120012014302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20341021002143) 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, 4752572861 + ... + 4752577140.

It is an arithmetic number, because the mean of its divisors is an integer number (1796473350378).

Almost surely, 2^{20341021002140} is an apocalyptic number.

20341021002140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20341021002140 is an abundant number, since it is smaller than the sum of its proper divisors (22774339406932).

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

20341021002140 is a wasteful number, since it uses less digits than its factorization.

20341021002140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9505150117 (or 9505150115 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20341021002140 its reverse (4120012014302), we get a palindrome (24461033016442).

The spelling of 20341021002140 in words is "twenty trillion, three hundred forty-one billion, twenty-one million, two thousand, one hundred forty".