4000202004220 has 48 divisors (see below), whose sum is σ = 8487834270048. Its totient is φ = 1583462666240.

The previous prime is 4000202004203. The next prime is 4000202004223. The reversal of 4000202004220 is 224002020004.

It is a junction number, because it is equal to n+sod(n) for n = 4000202004194 and 4000202004203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000202004223) 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, 1058700 + ... + 3020140.

It is an arithmetic number, because the mean of its divisors is an integer number (176829880626).

Almost surely, 2^{4000202004220} is an apocalyptic number.

It is an amenable number.

4000202004220 is an abundant number, since it is smaller than the sum of its proper divisors (4487632265828).

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

4000202004220 is a wasteful number, since it uses less digits than its factorization.

4000202004220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962510 (or 1962508 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 4000202004220 its reverse (224002020004), we get a palindrome (4224204024224).

The spelling of 4000202004220 in words is "four trillion, two hundred two million, four thousand, two hundred twenty".