20234732 has 12 divisors (see below), whose sum is σ = 40469520. Its totient is φ = 8672016.

The previous prime is 20234729. The next prime is 20234741. The reversal of 20234732 is 23743202.

20234732 is an admirable number.

It is a super-2 number, since 2×20234732² = 818888758223648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20234698 and 20234707.

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, 361307 + ... + 361362.

It is an arithmetic number, because the mean of its divisors is an integer number (3372460).

Almost surely, 2^20234732 is an apocalyptic number.

It is an amenable number.

20234732 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20234732 is a wasteful number, since it uses less digits than its factorization.

20234732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722680 (or 722678 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 20234732 is about 4498.3032356656. The cubic root of 20234732 is about 272.4995684980.

Adding to 20234732 its reverse (23743202), we get a palindrome (43977934).

It can be divided in two parts, 2023 and 4732, that multiplied together give a square (9572836 = 3094²).

The spelling of 20234732 in words is "twenty million, two hundred thirty-four thousand, seven hundred thirty-two".