20110020202 has 4 divisors (see below), whose sum is σ = 30165030306. Its totient is φ = 10055010100.

The previous prime is 20110020181. The next prime is 20110020221. The reversal of 20110020202 is 20202001102.

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., 13877075601 + 6232944601 = 117801^2 + 78949^2 .

20110020202 is a modest number, since divided by 20202 gives 20110 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5027505049 + ... + 5027505052.

Almost surely, 2^20110020202 is an apocalyptic number.

20110020202 is a deficient number, since it is larger than the sum of its proper divisors (10055010104).

20110020202 is a wasteful number, since it uses less digits than its factorization.

20110020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055010103.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20110020202 its reverse (20202001102), we get a palindrome (40312021304).

The spelling of 20110020202 in words is "twenty billion, one hundred ten million, twenty thousand, two hundred two".