20620023984000 has 3072 divisors, whose sum is σ = 92814059520000. Its totient is φ = 4493035008000.

The previous prime is 20620023983989. The next prime is 20620023984011. The reversal of 20620023984000 is 48932002602.

20620023984000 is a `hidden beast` number, since 2 + 0 + 620 + 0 + 23 + 9 + 8 + 4 + 0 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (20620023983989) and next prime (20620023984011).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 307761551967 + ... + 307761552033.

It is an arithmetic number, because the mean of its divisors is an integer number (30212910000).

Almost surely, 2^{20620023984000} is an apocalyptic number.

20620023984000 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 20620023984000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46407029760000).

20620023984000 is an abundant number, since it is smaller than the sum of its proper divisors (72194035536000).

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

20620023984000 is an frugal number, since it uses more digits than its factorization.

20620023984000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 20620023984000 its reverse (48932002602), we get a palindrome (20668955986602).

The spelling of 20620023984000 in words is "twenty trillion, six hundred twenty billion, twenty-three million, nine hundred eighty-four thousand".