4020230202340 has 24 divisors (see below), whose sum is σ = 9209981918592. Its totient is φ = 1461901891680.

The previous prime is 4020230202319. The next prime is 4020230202427. The reversal of 4020230202340 is 432020320204.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9136886604 + ... + 9136887043.

It is an arithmetic number, because the mean of its divisors is an integer number (383749246608).

Almost surely, 2^{4020230202340} is an apocalyptic number.

It is an amenable number.

4020230202340 is an abundant number, since it is smaller than the sum of its proper divisors (5189751716252).

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

4020230202340 is a wasteful number, since it uses less digits than its factorization.

4020230202340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18273773667 (or 18273773665 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 4020230202340 its reverse (432020320204), we get a palindrome (4452250522544).

The spelling of 4020230202340 in words is "four trillion, twenty billion, two hundred thirty million, two hundred two thousand, three hundred forty".