1000000990220 has 24 divisors (see below), whose sum is σ = 2223531614304. Its totient is φ = 376470960896.

The previous prime is 1000000990217. The next prime is 1000000990249. The reversal of 1000000990220 is 220990000001.

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, 1470589352 + ... + 1470590031.

It is an arithmetic number, because the mean of its divisors is an integer number (92647150596).

Almost surely, 2^{1000000990220} is an apocalyptic number.

1000000990220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000000990220 is an abundant number, since it is smaller than the sum of its proper divisors (1223530624084).

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

1000000990220 is a wasteful number, since it uses less digits than its factorization.

1000000990220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941179409 (or 2941179407 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 1000000990220 its reverse (220990000001), we get a palindrome (1220990990221).

The spelling of 1000000990220 in words is "one trillion, nine hundred ninety thousand, two hundred twenty".