20883886268 has 24 divisors (see below), whose sum is σ = 41782841184. Its totient is φ = 8947008000.

The previous prime is 20883886267. The next prime is 20883886279. The reversal of 20883886268 is 86268838802.

It is a happy number.

It is a super-2 number, since 2×20883886268² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20883886267) 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, 54713 + ... + 211568.

It is an arithmetic number, because the mean of its divisors is an integer number (1740951716).

Almost surely, 2^20883886268 is an apocalyptic number.

20883886268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20883886268 is an abundant number, since it is smaller than the sum of its proper divisors (20898954916).

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

20883886268 is a wasteful number, since it uses less digits than its factorization.

20883886268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269093 (or 269091 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 59.

The spelling of 20883886268 in words is "twenty billion, eight hundred eighty-three million, eight hundred eighty-six thousand, two hundred sixty-eight".