20202004396 has 60 divisors (see below), whose sum is σ = 41306459040. Its totient is φ = 8644752480.

The previous prime is 20202004393. The next prime is 20202004409. The reversal of 20202004396 is 69340020202.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (20202004393) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8748090 + ... + 8750398.

It is an arithmetic number, because the mean of its divisors is an integer number (688440984).

Almost surely, 2^20202004396 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 20202004396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20653229520).

20202004396 is an abundant number, since it is smaller than the sum of its proper divisors (21104454644).

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

20202004396 is an equidigital number, since it uses as much as digits as its factorization.

20202004396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252 (or 3229 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 20202004396 its reverse (69340020202), we get a palindrome (89542024598).

The spelling of 20202004396 in words is "twenty billion, two hundred two million, four thousand, three hundred ninety-six".