100201994 has 8 divisors (see below), whose sum is σ = 154365348. Its totient is φ = 48746880.

The previous prime is 100201993. The next prime is 100202009. The reversal of 100201994 is 499102001.

It can be written as a sum of positive squares in 2 ways, for example, as 97752769 + 2449225 = 9887^2 + 1565^2 .

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

It is not an unprimeable number, because it can be changed into a prime (100201993) 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, 676967 + ... + 677114.

Almost surely, 2^100201994 is an apocalyptic number.

100201994 is a deficient number, since it is larger than the sum of its proper divisors (54163354).

100201994 is a wasteful number, since it uses less digits than its factorization.

100201994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354120.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 100201994 is about 10010.0946049475. The cubic root of 100201994 is about 464.4711975352.

Adding to 100201994 its reverse (499102001), we get a palindrome (599303995).

The spelling of 100201994 in words is "one hundred million, two hundred one thousand, nine hundred ninety-four".