1000222212020 has 48 divisors (see below), whose sum is σ = 2146638751488. Its totient is φ = 391305955200.

The previous prime is 1000222211999. The next prime is 1000222212071. The reversal of 1000222212020 is 202122220001.

It is a junction number, because it is equal to n+sod(n) for n = 1000222211986 and 1000222212004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997274 + ... + 1730606.

It is an arithmetic number, because the mean of its divisors is an integer number (44721640656).

Almost surely, 2^{1000222212020} is an apocalyptic number.

1000222212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000222212020 is an abundant number, since it is smaller than the sum of its proper divisors (1146416539468).

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

1000222212020 is a wasteful number, since it uses less digits than its factorization.

1000222212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734840 (or 734838 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1000222212020 its reverse (202122220001), we get a palindrome (1202344432021).

The spelling of 1000222212020 in words is "one trillion, two hundred twenty-two million, two hundred twelve thousand, twenty".