201000000080 has 80 divisors (see below), whose sum is σ = 509964038784. Its totient is φ = 73068695040.

The previous prime is 201000000079. The next prime is 201000000127. The reversal of 201000000080 is 80000000102.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a junction number, because it is equal to n+sod(n) for n = 200999999998 and 201000000070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3014462 + ... + 3080418.

Almost surely, 2^201000000080 is an apocalyptic number.

201000000080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000000080 is an abundant number, since it is smaller than the sum of its proper divisors (308964038704).

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

201000000080 is a wasteful number, since it uses less digits than its factorization.

201000000080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69444 (or 69438 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201000000080 its reverse (80000000102), we get a palindrome (281000000182).

The spelling of 201000000080 in words is "two hundred one billion, eighty", and thus it is an aban number.