20404023662000 has 480 divisors, whose sum is σ = 57362606218944. Its totient is φ = 6960205824000.

The previous prime is 20404023661993. The next prime is 20404023662039. The reversal of 20404023662000 is 26632040402.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1990048874 + ... + 1990059126.

Almost surely, 2^{20404023662000} is an apocalyptic number.

20404023662000 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 20404023662000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28681303109472).

20404023662000 is an abundant number, since it is smaller than the sum of its proper divisors (36958582556944).

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

20404023662000 is a wasteful number, since it uses less digits than its factorization.

20404023662000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10634 (or 10601 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The spelling of 20404023662000 in words is "twenty trillion, four hundred four billion, twenty-three million, six hundred sixty-two thousand".