20596128 has 48 divisors (see below), whose sum is σ = 61790400. Its totient is φ = 5884416.

The previous prime is 20596123. The next prime is 20596139. The reversal of 20596128 is 82169502.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (20596123) 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, 14653 + ... + 15996.

It is an arithmetic number, because the mean of its divisors is an integer number (1287300).

Almost surely, 2^20596128 is an apocalyptic number.

20596128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20596128 is an abundant number, since it is smaller than the sum of its proper divisors (41194272).

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

20596128 is a wasteful number, since it uses less digits than its factorization.

20596128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30669 (or 30661 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 20596128 is about 4538.2957153539. The cubic root of 20596128 is about 274.1123023411.

The spelling of 20596128 in words is "twenty million, five hundred ninety-six thousand, one hundred twenty-eight".