20011010202 has 16 divisors (see below), whose sum is σ = 44468911680. Its totient is φ = 6670336716.

The previous prime is 20011010189. The next prime is 20011010219. The reversal of 20011010202 is 20201011002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185287078 + ... + 185287185.

It is an arithmetic number, because the mean of its divisors is an integer number (2779306980).

Almost surely, 2^20011010202 is an apocalyptic number.

20011010202 is an abundant number, since it is smaller than the sum of its proper divisors (24457901478).

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

20011010202 is a wasteful number, since it uses less digits than its factorization.

20011010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370574274 (or 370574268 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20011010202 its reverse (20201011002), we get a palindrome (40212021204).

The spelling of 20011010202 in words is "twenty billion, eleven million, ten thousand, two hundred two".