20035120416 has 96 divisors (see below), whose sum is σ = 55698306048. Its totient is φ = 6292619520.

The previous prime is 20035120411. The next prime is 20035120433. The reversal of 20035120416 is 61402153002.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20035120411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80221 + ... + 215651.

It is an arithmetic number, because the mean of its divisors is an integer number (580190688).

Almost surely, 2^20035120416 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 20035120416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27849153024).

20035120416 is an abundant number, since it is smaller than the sum of its proper divisors (35663185632).

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

20035120416 is a wasteful number, since it uses less digits than its factorization.

20035120416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135534 (or 135526 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 20035120416 its reverse (61402153002), we get a palindrome (81437273418).

The spelling of 20035120416 in words is "twenty billion, thirty-five million, one hundred twenty thousand, four hundred sixteen".