20452106183040 has 384 divisors, whose sum is σ = 80967441222720. Its totient is φ = 4660017315840.

The previous prime is 20452106183023. The next prime is 20452106183099. The reversal of 20452106183040 is 4038160125402.

It is a happy number.

20452106183040 is a `hidden beast` number, since 2 + 0 + 4 + 5 + 2 + 1 + 0 + 618 + 30 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is a junction number, because it is equal to n+sod(n) for n = 20452106182986 and 20452106183004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11981370 + ... + 13581510.

Almost surely, 2^{20452106183040} is an apocalyptic number.

20452106183040 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 20452106183040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40483720611360).

20452106183040 is an abundant number, since it is smaller than the sum of its proper divisors (60515335039680).

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

20452106183040 is a wasteful number, since it uses less digits than its factorization.

20452106183040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600490 (or 1600475 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 20452106183040 in words is "twenty trillion, four hundred fifty-two billion, one hundred six million, one hundred eighty-three thousand, forty".