20023107 has 16 divisors (see below), whose sum is σ = 28831488. Its totient is φ = 12287520.

The previous prime is 20023063. The next prime is 20023121. The reversal of 20023107 is 70132002.

It is not a de Polignac number, because 20023107 - 2⁶ = 20023043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20023147) 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, 26578 + ... + 27320.

It is an arithmetic number, because the mean of its divisors is an integer number (1801968).

Almost surely, 2^20023107 is an apocalyptic number.

20023107 is a deficient number, since it is larger than the sum of its proper divisors (8808381).

20023107 is a wasteful number, since it uses less digits than its factorization.

20023107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 20023107 is about 4474.7186503735. The cubic root of 20023107 is about 271.5462581729.

Adding to 20023107 its reverse (70132002), we get a palindrome (90155109).

The spelling of 20023107 in words is "twenty million, twenty-three thousand, one hundred seven".