20059877 has 4 divisors (see below), whose sum is σ = 21115680. Its totient is φ = 19004076.

The previous prime is 20059861. The next prime is 20059901. The reversal of 20059877 is 77895002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20059877 - 2⁴ = 20059861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20059877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20059807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527873 + ... + 527910.

It is an arithmetic number, because the mean of its divisors is an integer number (5278920).

Almost surely, 2^20059877 is an apocalyptic number.

It is an amenable number.

20059877 is a deficient number, since it is larger than the sum of its proper divisors (1055803).

20059877 is a wasteful number, since it uses less digits than its factorization.

20059877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055802.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 20059877 is about 4478.8254040541. The cubic root of 20059877 is about 271.7123770843.

The spelling of 20059877 in words is "twenty million, fifty-nine thousand, eight hundred seventy-seven".