201020010210 has 96 divisors (see below), whose sum is σ = 548081529840. Its totient is φ = 51047829504.

The previous prime is 201020010197. The next prime is 201020010227. The reversal of 201020010210 is 12010020102.

It can be written as a sum of positive squares in 8 ways, for example, as 143381123649 + 57638886561 = 378657^2 + 240081^2 .

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 = 201020010192 and 201020010201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 336999 + ... + 718058.

Almost surely, 2^201020010210 is an apocalyptic number.

201020010210 is an abundant number, since it is smaller than the sum of its proper divisors (347061519630).

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

201020010210 is a wasteful number, since it uses less digits than its factorization.

201020010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055172 (or 1055169 counting only the distinct ones).

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

Adding to 201020010210 its reverse (12010020102), we get a palindrome (213030030312).

The spelling of 201020010210 in words is "two hundred one billion, twenty million, ten thousand, two hundred ten".