220204002040 has 32 divisors (see below), whose sum is σ = 540500733360. Its totient is φ = 80074182400.

The previous prime is 220204002001. The next prime is 220204002059. The reversal of 220204002040 is 40200402022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250231381 + ... + 250232260.

Almost surely, 2^220204002040 is an apocalyptic number.

220204002040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220204002040 is an abundant number, since it is smaller than the sum of its proper divisors (320296731320).

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

220204002040 is a wasteful number, since it uses less digits than its factorization.

220204002040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500463663 (or 500463659 counting only the distinct ones).

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

Adding to 220204002040 its reverse (40200402022), we get a palindrome (260404404062).

The spelling of 220204002040 in words is "two hundred twenty billion, two hundred four million, two thousand, forty".