1000020221196 has 24 divisors (see below), whose sum is σ = 2434831843584. Its totient is φ = 318847026960.

The previous prime is 1000020221183. The next prime is 1000020221197. The reversal of 1000020221196 is 6911220200001.

It is not an unprimeable number, because it can be changed into a prime (1000020221197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1811630560 + ... + 1811631111.

It is an arithmetic number, because the mean of its divisors is an integer number (101451326816).

Almost surely, 2^{1000020221196} is an apocalyptic number.

It is an amenable number.

1000020221196 is an abundant number, since it is smaller than the sum of its proper divisors (1434811622388).

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

1000020221196 is a wasteful number, since it uses less digits than its factorization.

1000020221196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623261701 (or 3623261699 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 1000020221196 its reverse (6911220200001), we get a palindrome (7911240421197).

The spelling of 1000020221196 in words is "one trillion, twenty million, two hundred twenty-one thousand, one hundred ninety-six".