20011020202 has 8 divisors (see below), whose sum is σ = 30142123200. Its totient is φ = 9963645804.

The previous prime is 20011020199. The next prime is 20011020221. The reversal of 20011020202 is 20202011002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20931552 + ... + 20932507.

It is an arithmetic number, because the mean of its divisors is an integer number (3767765400).

Almost surely, 2^20011020202 is an apocalyptic number.

20011020202 is a deficient number, since it is larger than the sum of its proper divisors (10131102998).

20011020202 is a wasteful number, since it uses less digits than its factorization.

20011020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41864300.

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

Adding to 20011020202 its reverse (20202011002), we get a palindrome (40213031204).

The spelling of 20011020202 in words is "twenty billion, eleven million, twenty thousand, two hundred two".