20364476 has 24 divisors (see below), whose sum is σ = 40569984. Its totient is φ = 8853680.

The previous prime is 20364457. The next prime is 20364479. The reversal of 20364476 is 67446302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20364479) 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, 9050 + ... + 11073.

It is an arithmetic number, because the mean of its divisors is an integer number (1690416).

Almost surely, 2^20364476 is an apocalyptic number.

It is an amenable number.

20364476 is a deficient number, since it is larger than the sum of its proper divisors (20205508).

20364476 is a wasteful number, since it uses less digits than its factorization.

20364476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20161 (or 20159 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 20364476 is about 4512.7016298444. The cubic root of 20364476 is about 273.0807455698.

The spelling of 20364476 in words is "twenty million, three hundred sixty-four thousand, four hundred seventy-six".