20202473 has 8 divisors (see below), whose sum is σ = 20952000. Its totient is φ = 19456528.

The previous prime is 20202467. The next prime is 20202493. The reversal of 20202473 is 37420202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20202473 - 2¹⁰ = 20201449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202493) 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, 16790 + ... + 17952.

It is an arithmetic number, because the mean of its divisors is an integer number (2619000).

Almost surely, 2^20202473 is an apocalyptic number.

It is an amenable number.

20202473 is a deficient number, since it is larger than the sum of its proper divisors (749527).

20202473 is a wasteful number, since it uses less digits than its factorization.

20202473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 20202473 is about 4494.7161200681. The cubic root of 20202473 is about 272.3546816579.

Adding to 20202473 its reverse (37420202), we get a palindrome (57622675).

The spelling of 20202473 in words is "twenty million, two hundred two thousand, four hundred seventy-three".