100020010 has 48 divisors (see below), whose sum is σ = 195156216. Its totient is φ = 36887552.

The previous prime is 100019977. The next prime is 100020023. The reversal of 100020010 is 10020001.

It can be written as a sum of positive squares in 12 ways, for example, as 31013761 + 69006249 = 5569^2 + 8307^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152844 + ... + 153496.

Almost surely, 2^100020010 is an apocalyptic number.

100020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100020010 is a deficient number, since it is larger than the sum of its proper divisors (95136206).

100020010 is a wasteful number, since it uses less digits than its factorization.

100020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 100020010 is about 10001.0004499550. Note that the first 3 decimals coincide. The cubic root of 100020010 is about 464.1898406940.

Adding to 100020010 its reverse (10020001), we get a palindrome (110040011).

Subtracting from 100020010 its reverse (10020001), we obtain a palindrome (90000009).

The spelling of 100020010 in words is "one hundred million, twenty thousand, ten".