20077594 has 4 divisors (see below), whose sum is σ = 30116394. Its totient is φ = 10038796.

The previous prime is 20077591. The next prime is 20077627. The reversal of 20077594 is 49577002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49577002 = 2 ⋅24788501.

It can be written as a sum of positive squares in only one way, i.e., 19686969 + 390625 = 4437^2 + 625^2 .

It is not an unprimeable number, because it can be changed into a prime (20077591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5019397 + ... + 5019400.

Almost surely, 2^20077594 is an apocalyptic number.

20077594 is a deficient number, since it is larger than the sum of its proper divisors (10038800).

20077594 is a wasteful number, since it uses less digits than its factorization.

20077594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10038799.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 20077594 is about 4480.8028298509. The cubic root of 20077594 is about 271.7923461963.

The spelling of 20077594 in words is "twenty million, seventy-seven thousand, five hundred ninety-four".