20477204 has 24 divisors (see below), whose sum is σ = 40049856. Its totient is φ = 9080000.

The previous prime is 20477203. The next prime is 20477227. The reversal of 20477204 is 40277402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20477203) 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 in 7 ways as a sum of consecutive naturals, for example, 3872 + ... + 7479.

It is an arithmetic number, because the mean of its divisors is an integer number (1668744).

Almost surely, 2^20477204 is an apocalyptic number.

It is an amenable number.

20477204 is a deficient number, since it is larger than the sum of its proper divisors (19572652).

20477204 is a wasteful number, since it uses less digits than its factorization.

20477204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11407 (or 11405 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 20477204 is about 4525.1744717745. The cubic root of 20477204 is about 273.5837001393.

The spelling of 20477204 in words is "twenty million, four hundred seventy-seven thousand, two hundred four".