100020662 has 12 divisors (see below), whose sum is σ = 174526020. Its totient is φ = 42865956.

The previous prime is 100020649. The next prime is 100020667. The reversal of 100020662 is 266020001.

It is a self number, because there is not a number n which added to its sum of digits gives 100020662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 510212 + ... + 510407.

It is an arithmetic number, because the mean of its divisors is an integer number (14543835).

Almost surely, 2^100020662 is an apocalyptic number.

100020662 is a deficient number, since it is larger than the sum of its proper divisors (74505358).

100020662 is a wasteful number, since it uses less digits than its factorization.

100020662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020635 (or 1020628 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 100020662 is about 10001.0330466407. The cubic root of 100020662 is about 464.1908493293.

Adding to 100020662 its reverse (266020001), we get a palindrome (366040663).

The spelling of 100020662 in words is "one hundred million, twenty thousand, six hundred sixty-two".