20462272 has 28 divisors (see below), whose sum is σ = 42373296. Its totient is φ = 9785600.

The previous prime is 20462227. The next prime is 20462317. The reversal of 20462272 is 27226402.

It is an interprime number because it is at equal distance from previous prime (20462227) and next prime (20462317).

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, 5479 + ... + 8422.

It is an arithmetic number, because the mean of its divisors is an integer number (1513332).

Almost surely, 2^20462272 is an apocalyptic number.

It is an amenable number.

20462272 is an abundant number, since it is smaller than the sum of its proper divisors (21911024).

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

20462272 is a wasteful number, since it uses less digits than its factorization.

20462272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13936 (or 13926 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 20462272 is about 4523.5242897546. The cubic root of 20462272 is about 273.5171847892.

Adding to 20462272 its reverse (27226402), we get a palindrome (47688674).

The spelling of 20462272 in words is "twenty million, four hundred sixty-two thousand, two hundred seventy-two".