20411023246320 has 320 divisors, whose sum is σ = 74660245438464. Its totient is φ = 4514020807680.

The previous prime is 20411023246303. The next prime is 20411023246343. The reversal of 20411023246320 is 2364232011402.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 295936159 + ... + 296005121.

Almost surely, 2^{20411023246320} is an apocalyptic number.

20411023246320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20411023246320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37330122719232).

20411023246320 is an abundant number, since it is smaller than the sum of its proper divisors (54249222192144).

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

20411023246320 is a wasteful number, since it uses less digits than its factorization.

20411023246320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74700 (or 74694 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 20411023246320 its reverse (2364232011402), we get a palindrome (22775255257722).

The spelling of 20411023246320 in words is "twenty trillion, four hundred eleven billion, twenty-three million, two hundred forty-six thousand, three hundred twenty".