201120020010 has 240 divisors, whose sum is σ = 669247197696. Its totient is φ = 42433911936.

The previous prime is 201120019973. The next prime is 201120020083. The reversal of 201120020010 is 10020021102.

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

It is a junction number, because it is equal to n+sod(n) for n = 201120019974 and 201120020001.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 853287 + ... + 1063173.

Almost surely, 2^201120020010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201120020010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334623598848).

201120020010 is an abundant number, since it is smaller than the sum of its proper divisors (468127177686).

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

201120020010 is a wasteful number, since it uses less digits than its factorization.

201120020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209939 (or 209917 counting only the distinct ones).

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

Adding to 201120020010 its reverse (10020021102), we get a palindrome (211140041112).

The spelling of 201120020010 in words is "two hundred one billion, one hundred twenty million, twenty thousand, ten".