20008955286 has 32 divisors (see below), whose sum is σ = 44687808000. Its totient is φ = 6636132360.

The previous prime is 20008955279. The next prime is 20008955287. The reversal of 20008955286 is 68255980002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20008955287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 920250 + ... + 941741.

It is an arithmetic number, because the mean of its divisors is an integer number (1396494000).

Almost surely, 2^20008955286 is an apocalyptic number.

20008955286 is an abundant number, since it is smaller than the sum of its proper divisors (24678852714).

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

20008955286 is a wasteful number, since it uses less digits than its factorization.

20008955286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862201 (or 1862195 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 20008955286 in words is "twenty billion, eight million, nine hundred fifty-five thousand, two hundred eighty-six".