208833112820 has 24 divisors (see below), whose sum is σ = 440481482784. Its totient is φ = 83165255456.

The previous prime is 208833112757. The next prime is 208833112823. The reversal of 208833112820 is 28211338802.

It is a super-2 number, since 2×208833112820² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208833112823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22994702 + ... + 23003781.

It is an arithmetic number, because the mean of its divisors is an integer number (18353395116).

Almost surely, 2^208833112820 is an apocalyptic number.

208833112820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208833112820 is an abundant number, since it is smaller than the sum of its proper divisors (231648369964).

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

208833112820 is a wasteful number, since it uses less digits than its factorization.

208833112820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45998719 (or 45998717 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 208833112820 in words is "two hundred eight billion, eight hundred thirty-three million, one hundred twelve thousand, eight hundred twenty".