20023514 has 32 divisors (see below), whose sum is σ = 35856000. Its totient is φ = 8205120.

The previous prime is 20023513. The next prime is 20023519. The reversal of 20023514 is 41532002.

It is a super-2 number, since 2×20023514² = 801882225816392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20023492 and 20023501.

It is not an unprimeable number, because it can be changed into a prime (20023513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60329 + ... + 60659.

It is an arithmetic number, because the mean of its divisors is an integer number (1120500).

Almost surely, 2^20023514 is an apocalyptic number.

20023514 is a deficient number, since it is larger than the sum of its proper divisors (15832486).

20023514 is a wasteful number, since it uses less digits than its factorization.

20023514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20023514 is about 4474.7641278619. The cubic root of 20023514 is about 271.5480980235.

Adding to 20023514 its reverse (41532002), we get a palindrome (61555516).

The spelling of 20023514 in words is "twenty million, twenty-three thousand, five hundred fourteen".