201000010220 has 24 divisors (see below), whose sum is σ = 422157751008. Its totient is φ = 80389008000.

The previous prime is 201000010139. The next prime is 201000010229. The reversal of 201000010220 is 22010000102.

It is a junction number, because it is equal to n+sod(n) for n = 201000010198 and 201000010207.

It is not an unprimeable number, because it can be changed into a prime (201000010229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536561 + ... + 830600.

It is an arithmetic number, because the mean of its divisors is an integer number (17589906292).

Almost surely, 2^201000010220 is an apocalyptic number.

201000010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000010220 is an abundant number, since it is smaller than the sum of its proper divisors (221157740788).

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

201000010220 is a wasteful number, since it uses less digits than its factorization.

201000010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374521 (or 1374519 counting only the distinct ones).

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

Adding to 201000010220 its reverse (22010000102), we get a palindrome (223010010322).

The spelling of 201000010220 in words is "two hundred one billion, ten thousand, two hundred twenty".