20061908 has 12 divisors (see below), whose sum is σ = 35925120. Its totient is φ = 9797592.

The previous prime is 20061901. The next prime is 20061917. The reversal of 20061908 is 80916002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20061901) 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, 58148 + ... + 58491.

It is an arithmetic number, because the mean of its divisors is an integer number (2993760).

Almost surely, 2^20061908 is an apocalyptic number.

It is an amenable number.

20061908 is a deficient number, since it is larger than the sum of its proper divisors (15863212).

20061908 is a wasteful number, since it uses less digits than its factorization.

20061908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116686 (or 116684 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 20061908 is about 4479.0521318690. The cubic root of 20061908 is about 271.7215467851.

The spelling of 20061908 in words is "twenty million, sixty-one thousand, nine hundred eight".