20202140342004 has 96 divisors (see below), whose sum is σ = 49748075489280. Its totient is φ = 6363076808448.

The previous prime is 20202140341997. The next prime is 20202140342009. The reversal of 20202140342004 is 40024304120202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202140342009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264932307 + ... + 265008549.

It is an arithmetic number, because the mean of its divisors is an integer number (518209119680).

Almost surely, 2^{20202140342004} 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 20202140342004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24874037744640).

20202140342004 is an abundant number, since it is smaller than the sum of its proper divisors (29545935147276).

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

20202140342004 is a wasteful number, since it uses less digits than its factorization.

20202140342004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79269 (or 79267 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20202140342004 its reverse (40024304120202), we get a palindrome (60226444462206).

The spelling of 20202140342004 in words is "twenty trillion, two hundred two billion, one hundred forty million, three hundred forty-two thousand, four".