20210272 has 24 divisors (see below), whose sum is σ = 40110336. Its totient is φ = 10023552.

The previous prime is 20210257. The next prime is 20210291. The reversal of 20210272 is 27201202.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1578 + ... + 6550.

It is an arithmetic number, because the mean of its divisors is an integer number (1671264).

Almost surely, 2^20210272 is an apocalyptic number.

It is an amenable number.

20210272 is a deficient number, since it is larger than the sum of its proper divisors (19900064).

20210272 is a wasteful number, since it uses less digits than its factorization.

20210272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110 (or 5102 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 20210272 is about 4495.5836106116. The cubic root of 20210272 is about 272.3897239172.

Adding to 20210272 its reverse (27201202), we get a palindrome (47411474).

The spelling of 20210272 in words is "twenty million, two hundred ten thousand, two hundred seventy-two".