1020210201 has 8 divisors (see below), whose sum is σ = 1511422560.
Its totient is φ = 680140116.
The previous prime is 1020210199. The next prime is 1020210221. The reversal of 1020210201 is 1020120201.
Adding to 1020210201 its reverse (1020120201), we get a palindrome (2040330402).
Subtracting from 1020210201 its reverse (1020120201), we obtain a square (90000 = 3002).
It is not a de Polignac number, because 1020210201 - 21 = 1020210199 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (1020210221) 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, 18892755 + ... + 18892808.
It is an arithmetic number, because the mean of its divisors is an integer number (188927820).
Almost surely, 21020210201 is an apocalyptic number.
It is an amenable number.
1020210201 is a deficient number, since it is larger than the sum of its proper divisors (491212359).
1020210201 is an equidigital number, since it uses as much as digits as its factorization.
1020210201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37785572 (or 37785566 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 1020210201 is about 31940.7295001226.
The cubic root of 1020210201 is about 1006.6918528826.
The spelling of 1020210201 in words is "one billion, twenty million, two hundred ten thousand, two hundred one".