20620098 has 24 divisors (see below), whose sum is σ = 46620288. Its totient is φ = 6574392.

The previous prime is 20620097. The next prime is 20620109. The reversal of 20620098 is 89002602.

It is not an unprimeable number, because it can be changed into a prime (20620097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24490 + ... + 25317.

It is an arithmetic number, because the mean of its divisors is an integer number (1942512).

Almost surely, 2^20620098 is an apocalyptic number.

20620098 is an abundant number, since it is smaller than the sum of its proper divisors (26000190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20620098 is a wasteful number, since it uses less digits than its factorization.

20620098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49838 (or 49835 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 20620098 is about 4540.9358066372. The cubic root of 20620098 is about 274.2185994179.

The spelling of 20620098 in words is "twenty million, six hundred twenty thousand, ninety-eight".