1000033400220 has 24 divisors (see below), whose sum is σ = 2800093520784. Its totient is φ = 266675573376.

The previous prime is 1000033400209. The next prime is 1000033400231. The reversal of 1000033400220 is 220043300001.

It is an interprime number because it is at equal distance from previous prime (1000033400209) and next prime (1000033400231).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1000033400220.

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, 8333611609 + ... + 8333611728.

It is an arithmetic number, because the mean of its divisors is an integer number (116670563366).

Almost surely, 2^{1000033400220} is an apocalyptic number.

1000033400220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000033400220 is an abundant number, since it is smaller than the sum of its proper divisors (1800060120564).

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

1000033400220 is a wasteful number, since it uses less digits than its factorization.

1000033400220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16667223349 (or 16667223347 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 1000033400220 its reverse (220043300001), we get a palindrome (1220076700221).

The spelling of 1000033400220 in words is "one trillion, thirty-three million, four hundred thousand, two hundred twenty".