1010020210 has 8 divisors (see below), whose sum is σ = 1818036396. Its totient is φ = 404008080.

The previous prime is 1010020171. The next prime is 1010020213. The reversal of 1010020210 is 120200101.

It can be written as a sum of positive squares in 2 ways, for example, as 988033489 + 21986721 = 31433^2 + 4689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1010020193 and 1010020202.

It is not an unprimeable number, because it can be changed into a prime (1010020213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50501001 + ... + 50501020.

Almost surely, 2^1010020210 is an apocalyptic number.

1010020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1010020210 is a deficient number, since it is larger than the sum of its proper divisors (808016186).

1010020210 is a wasteful number, since it uses less digits than its factorization.

1010020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101002028.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1010020210 is about 31780.8151248517. The cubic root of 1010020210 is about 1003.3289756240.

Adding to 1010020210 its reverse (120200101), we get a palindrome (1130220311).

The spelling of 1010020210 in words is "one billion, ten million, twenty thousand, two hundred ten".