20106483408 has 120 divisors (see below), whose sum is σ = 61625805696. Its totient is φ = 6069043200.

The previous prime is 20106483401. The next prime is 20106483479. The reversal of 20106483408 is 80438460102.

20106483408 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 648 + 3 + 4 + 0 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20106483401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382393 + ... + 431783.

Almost surely, 2^20106483408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20106483408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30812902848).

20106483408 is an abundant number, since it is smaller than the sum of its proper divisors (41519322288).

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

20106483408 is a wasteful number, since it uses less digits than its factorization.

20106483408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49673 (or 49664 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 20106483408 in words is "twenty billion, one hundred six million, four hundred eighty-three thousand, four hundred eight".