20933276 has 48 divisors (see below), whose sum is σ = 45534720. Its totient is φ = 8199360.

The previous prime is 20933249. The next prime is 20933287. The reversal of 20933276 is 67233902.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47465 + ... + 47903.

It is an arithmetic number, because the mean of its divisors is an integer number (948640).

Almost surely, 2^20933276 is an apocalyptic number.

20933276 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20933276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22767360).

20933276 is an abundant number, since it is smaller than the sum of its proper divisors (24601444).

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

20933276 is a wasteful number, since it uses less digits than its factorization.

20933276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 20933276 is about 4575.2897176026. The cubic root of 20933276 is about 275.5999068926.

The spelling of 20933276 in words is "twenty million, nine hundred thirty-three thousand, two hundred seventy-six".