1001020220202 has 64 divisors (see below), whose sum is σ = 2121455548800. Its totient is φ = 314457707520.

The previous prime is 1001020220197. The next prime is 1001020220203. The reversal of 1001020220202 is 2020220201001.

It is not an unprimeable number, because it can be changed into a prime (1001020220203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 869574 + ... + 1660782.

It is an arithmetic number, because the mean of its divisors is an integer number (33147742950).

Almost surely, 2^{1001020220202} is an apocalyptic number.

1001020220202 is an abundant number, since it is smaller than the sum of its proper divisors (1120435328598).

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

1001020220202 is a wasteful number, since it uses less digits than its factorization.

1001020220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791431.

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

Adding to 1001020220202 its reverse (2020220201001), we get a palindrome (3021240421203).

The spelling of 1001020220202 in words is "one trillion, one billion, twenty million, two hundred twenty thousand, two hundred two".