100020869146 has 64 divisors (see below), whose sum is σ = 175178070144. Its totient is φ = 42326732800.

The previous prime is 100020869101. The next prime is 100020869159. The reversal of 100020869146 is 641968020001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35254440 + ... + 35257276.

It is an arithmetic number, because the mean of its divisors is an integer number (2737157346).

Almost surely, 2^100020869146 is an apocalyptic number.

100020869146 is a deficient number, since it is larger than the sum of its proper divisors (75157200998).

100020869146 is a wasteful number, since it uses less digits than its factorization.

100020869146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855.

The product of its (nonzero) digits is 20736, while the sum is 37.

Adding to 100020869146 its reverse (641968020001), we get a palindrome (741988889147).

The spelling of 100020869146 in words is "one hundred billion, twenty million, eight hundred sixty-nine thousand, one hundred forty-six".