20234516 has 6 divisors (see below), whose sum is σ = 35410410. Its totient is φ = 10117256.

The previous prime is 20234483. The next prime is 20234521. The reversal of 20234516 is 61543202.

It can be written as a sum of positive squares in only one way, i.e., 16032016 + 4202500 = 4004^2 + 2050^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20234491 and 20234500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2529311 + ... + 2529318.

It is an arithmetic number, because the mean of its divisors is an integer number (5901735).

Almost surely, 2^20234516 is an apocalyptic number.

It is an amenable number.

20234516 is a deficient number, since it is larger than the sum of its proper divisors (15175894).

20234516 is a wasteful number, since it uses less digits than its factorization.

20234516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058633 (or 5058631 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 20234516 is about 4498.2792265487. The cubic root of 20234516 is about 272.4985988762.

Adding to 20234516 its reverse (61543202), we get a palindrome (81777718).

The spelling of 20234516 in words is "twenty million, two hundred thirty-four thousand, five hundred sixteen".