20023003242 has 48 divisors (see below), whose sum is σ = 48220087968. Its totient is φ = 5953091040.

The previous prime is 20023003177. The next prime is 20023003307. The reversal of 20023003242 is 24230032002.

It is an interprime number because it is at equal distance from previous prime (20023003177) and next prime (20023003307).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 943528 + ... + 964515.

It is an arithmetic number, because the mean of its divisors is an integer number (1004585166).

Almost surely, 2^20023003242 is an apocalyptic number.

20023003242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20023003242 is an abundant number, since it is smaller than the sum of its proper divisors (28197084726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20023003242 is a wasteful number, since it uses less digits than its factorization.

20023003242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908115 (or 1908112 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20023003242 its reverse (24230032002), we get a palindrome (44253035244).

The spelling of 20023003242 in words is "twenty billion, twenty-three million, three thousand, two hundred forty-two".