20053476 has 18 divisors (see below), whose sum is σ = 50690822. Its totient is φ = 6684480.

The previous prime is 20053457. The next prime is 20053483. The reversal of 20053476 is 67435002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19131876 + 921600 = 4374^2 + 960^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278485 + ... + 278556.

Almost surely, 2^20053476 is an apocalyptic number.

It is an amenable number.

20053476 is an abundant number, since it is smaller than the sum of its proper divisors (30637346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20053476 is a wasteful number, since it uses less digits than its factorization.

20053476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557051 (or 557046 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 20053476 is about 4478.1107623640. The cubic root of 20053476 is about 271.6834733519.

Adding to 20053476 its reverse (67435002), we get a palindrome (87488478).

The spelling of 20053476 in words is "twenty million, fifty-three thousand, four hundred seventy-six".