20035124408 has 96 divisors (see below), whose sum is σ = 43138882800. Its totient is φ = 8694825984.

The previous prime is 20035124401. The next prime is 20035124419. The reversal of 20035124408 is 80442153002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20035124401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3516410 + ... + 3522102.

Almost surely, 2^20035124408 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 20035124408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21569441400).

20035124408 is an abundant number, since it is smaller than the sum of its proper divisors (23103758392).

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

20035124408 is a wasteful number, since it uses less digits than its factorization.

20035124408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881 (or 5864 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 20035124408 in words is "twenty billion, thirty-five million, one hundred twenty-four thousand, four hundred eight".