20202312004 has 48 divisors (see below), whose sum is σ = 41800084480. Its totient is φ = 8360340480.

The previous prime is 20202311999. The next prime is 20202312007. The reversal of 20202312004 is 40021320202.

It is not an unprimeable number, because it can be changed into a prime (20202312007) 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, 371212 + ... + 422140.

Almost surely, 2^20202312004 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 20202312004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20900042240).

20202312004 is an abundant number, since it is smaller than the sum of its proper divisors (21597772476).

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

20202312004 is a wasteful number, since it uses less digits than its factorization.

20202312004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51428 (or 51426 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20202312004 its reverse (40021320202), we get a palindrome (60223632206).

The spelling of 20202312004 in words is "twenty billion, two hundred two million, three hundred twelve thousand, four".