20423015014 has 16 divisors (see below), whose sum is σ = 30690103248. Its totient is φ = 10192996512.

The previous prime is 20423015003. The next prime is 20423015027. The reversal of 20423015014 is 41051032402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5604277 + ... + 5607919.

It is an arithmetic number, because the mean of its divisors is an integer number (1918131453).

Almost surely, 2^20423015014 is an apocalyptic number.

20423015014 is a deficient number, since it is larger than the sum of its proper divisors (10267088234).

20423015014 is a wasteful number, since it uses less digits than its factorization.

20423015014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7959.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 20423015014 its reverse (41051032402), we get a palindrome (61474047416).

The spelling of 20423015014 in words is "twenty billion, four hundred twenty-three million, fifteen thousand, fourteen".