201819102010 has 8 divisors (see below), whose sum is σ = 363274383636. Its totient is φ = 80727640800.

The previous prime is 201819102007. The next prime is 201819102029. The reversal of 201819102010 is 10201918102.

It can be written as a sum of positive squares in 2 ways, for example, as 200445139521 + 1373962489 = 447711^2 + 37067^2 .

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

It is a super-2 number, since 2×201819102010² (a number of 23 digits) contains 22 as substring.

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, 10090955091 + ... + 10090955110.

Almost surely, 2^201819102010 is an apocalyptic number.

201819102010 is a deficient number, since it is larger than the sum of its proper divisors (161455281626).

201819102010 is a wasteful number, since it uses less digits than its factorization.

201819102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20181910208.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 201819102010 in words is "two hundred one billion, eight hundred nineteen million, one hundred two thousand, ten".