20098954 has 8 divisors (see below), whose sum is σ = 30172068. Its totient is φ = 10041600.

The previous prime is 20098927. The next prime is 20098957. The reversal of 20098954 is 45989002.

It can be written as a sum of positive squares in 2 ways, for example, as 12061729 + 8037225 = 3473^2 + 2835^2 .

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 (20098957) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 64 + ... + 6340.

Almost surely, 2^20098954 is an apocalyptic number.

20098954 is a deficient number, since it is larger than the sum of its proper divisors (10073114).

20098954 is a wasteful number, since it uses less digits than its factorization.

20098954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7880.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 20098954 is about 4483.1856976931. The cubic root of 20098954 is about 271.8886961700. Note that the first 3 decimals are identical.

The spelling of 20098954 in words is "twenty million, ninety-eight thousand, nine hundred fifty-four".