100920202 has 4 divisors (see below), whose sum is σ = 151380306. Its totient is φ = 50460100.

The previous prime is 100920167. The next prime is 100920217. The reversal of 100920202 is 202029001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80299521 + 20620681 = 8961^2 + 4541^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25230049 + ... + 25230052.

Almost surely, 2^100920202 is an apocalyptic number.

100920202 is a deficient number, since it is larger than the sum of its proper divisors (50460104).

100920202 is an equidigital number, since it uses as much as digits as its factorization.

100920202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50460103.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 100920202 is about 10045.9047377526. The cubic root of 100920202 is about 465.5782715865.

Adding to 100920202 its reverse (202029001), we get a palindrome (302949203).

The spelling of 100920202 in words is "one hundred million, nine hundred twenty thousand, two hundred two".