20059776 has 96 divisors (see below), whose sum is σ = 63011520. Its totient is φ = 6074880.

The previous prime is 20059771. The next prime is 20059807. The reversal of 20059776 is 67795002.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×20059776² = 804789226340352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20059776.

It is not an unprimeable number, because it can be changed into a prime (20059771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11881 + ... + 13463.

It is an arithmetic number, because the mean of its divisors is an integer number (656370).

Almost surely, 2^20059776 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 20059776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31505760).

20059776 is an abundant number, since it is smaller than the sum of its proper divisors (42951744).

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

20059776 is a wasteful number, since it uses less digits than its factorization.

20059776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614 (or 1599 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 20059776 is about 4478.8141287622. The cubic root of 20059776 is about 271.7119210663.

It can be divided in two parts, 2005 and 9776, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 20059776 in words is "twenty million, fifty-nine thousand, seven hundred seventy-six".