20067552 has 72 divisors (see below), whose sum is σ = 58083480. Its totient is φ = 6570240.

The previous prime is 20067539. The next prime is 20067581. The reversal of 20067552 is 25576002.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16402 + ... + 17582.

It is an arithmetic number, because the mean of its divisors is an integer number (806715).

Almost surely, 2^20067552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20067552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29041740).

20067552 is an abundant number, since it is smaller than the sum of its proper divisors (38015928).

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

20067552 is a wasteful number, since it uses less digits than its factorization.

20067552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 20067552 is about 4479.6821315803. The cubic root of 20067552 is about 271.7470254621.

The spelling of 20067552 in words is "twenty million, sixty-seven thousand, five hundred fifty-two".