1020221000202 has 128 divisors (see below), whose sum is σ = 2175063528960. Its totient is φ = 318609607680.

The previous prime is 1020221000143. The next prime is 1020221000207. The reversal of 1020221000202 is 2020001220201.

It is not an unprimeable number, because it can be changed into a prime (1020221000207) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 191300728 + ... + 191306060.

It is an arithmetic number, because the mean of its divisors is an integer number (16992683820).

Almost surely, 2^{1020221000202} is an apocalyptic number.

1020221000202 is an abundant number, since it is smaller than the sum of its proper divisors (1154842528758).

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

1020221000202 is a wasteful number, since it uses less digits than its factorization.

1020221000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5728.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1020221000202 its reverse (2020001220201), we get a palindrome (3040222220403).

The spelling of 1020221000202 in words is "one trillion, twenty billion, two hundred twenty-one million, two hundred two", and thus it is an aban number.