20360516 has 12 divisors (see below), whose sum is σ = 38870160. Its totient is φ = 9254760.

The previous prime is 20360507. The next prime is 20360531. The reversal of 20360516 is 61506302.

It is a super-2 number, since 2×20360516² = 829101223572512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20360491 and 20360500.

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, 231326 + ... + 231413.

It is an arithmetic number, because the mean of its divisors is an integer number (3239180).

Almost surely, 2^20360516 is an apocalyptic number.

It is an amenable number.

20360516 is a deficient number, since it is larger than the sum of its proper divisors (18509644).

20360516 is a wasteful number, since it uses less digits than its factorization.

20360516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462754 (or 462752 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 20360516 is about 4512.2628469538. The cubic root of 20360516 is about 273.0630436681.

Adding to 20360516 its reverse (61506302), we get a palindrome (81866818).

The spelling of 20360516 in words is "twenty million, three hundred sixty thousand, five hundred sixteen".