20413025021340 has 72 divisors (see below), whose sum is σ = 70765153411680. Its totient is φ = 4665834290304.

The previous prime is 20413025021339. The next prime is 20413025021369. The reversal of 20413025021340 is 4312052031402.

20413025021340 is a `hidden beast` number, since 2 + 0 + 41 + 30 + 250 + 2 + 1 + 340 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8100405495 + ... + 8100408014.

It is an arithmetic number, because the mean of its divisors is an integer number (982849352940).

Almost surely, 2^{20413025021340} is an apocalyptic number.

20413025021340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20413025021340 is an abundant number, since it is smaller than the sum of its proper divisors (50352128390340).

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

20413025021340 is a wasteful number, since it uses less digits than its factorization.

20413025021340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16200813531 (or 16200813526 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 20413025021340 its reverse (4312052031402), we get a palindrome (24725077052742).

The spelling of 20413025021340 in words is "twenty trillion, four hundred thirteen billion, twenty-five million, twenty-one thousand, three hundred forty".