20204888286 has 32 divisors (see below), whose sum is σ = 44091848448. Its totient is φ = 6121519040.

The previous prime is 20204888281. The next prime is 20204888293. The reversal of 20204888286 is 68288840202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204888281) 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, 355210 + ... + 408146.

It is an arithmetic number, because the mean of its divisors is an integer number (1377870264).

Almost surely, 2^20204888286 is an apocalyptic number.

20204888286 is an abundant number, since it is smaller than the sum of its proper divisors (23886960162).

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

20204888286 is a wasteful number, since it uses less digits than its factorization.

20204888286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58736.

The product of its (nonzero) digits is 786432, while the sum is 48.

The spelling of 20204888286 in words is "twenty billion, two hundred four million, eight hundred eighty-eight thousand, two hundred eighty-six".