9100020010 has 16 divisors (see below), whose sum is σ = 16381132200. Its totient is φ = 3639764416.

The previous prime is 9100019977. The next prime is 9100020011. The reversal of 9100020010 is 100200019.

It can be written as a sum of positive squares in 4 ways, for example, as 1922033281 + 7177986729 = 43841^2 + 84723^2 .

It is not an unprimeable number, because it can be changed into a prime (9100020011) 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, 245796 + ... + 280384.

Almost surely, 2^9100020010 is an apocalyptic number.

9100020010 is a deficient number, since it is larger than the sum of its proper divisors (7281112190).

9100020010 is a wasteful number, since it uses less digits than its factorization.

9100020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60905.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 9100020010 is about 95394.0250225348. The cubic root of 9100020010 is about 2087.7610089212.

Adding to 9100020010 its reverse (100200019), we get a palindrome (9200220029).

The spelling of 9100020010 in words is "nine billion, one hundred million, twenty thousand, ten".