220100020202 has 4 divisors (see below), whose sum is σ = 330150030306. Its totient is φ = 110050010100.

The previous prime is 220100020199. The next prime is 220100020241. The reversal of 220100020202 is 202020001022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 189495666721 + 30604353481 = 435311^2 + 174941^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55025005049 + ... + 55025005052.

Almost surely, 2^220100020202 is an apocalyptic number.

220100020202 is a deficient number, since it is larger than the sum of its proper divisors (110050010104).

220100020202 is a wasteful number, since it uses less digits than its factorization.

220100020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110050010103.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 220100020202 its reverse (202020001022), we get a palindrome (422120021224).

The spelling of 220100020202 in words is "two hundred twenty billion, one hundred million, twenty thousand, two hundred two".