20025340042 has 16 divisors (see below), whose sum is σ = 30099244032. Its totient is φ = 9992275920.

The previous prime is 20025340033. The next prime is 20025340051. The reversal of 20025340042 is 24004352002.

20025340042 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (20025340033) and next prime (20025340051).

It is a junction number, because it is equal to n+sod(n) for n = 20025339995 and 20025340022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4184383 + ... + 4189165.

It is an arithmetic number, because the mean of its divisors is an integer number (1881202752).

Almost surely, 2^20025340042 is an apocalyptic number.

20025340042 is a deficient number, since it is larger than the sum of its proper divisors (10073903990).

20025340042 is a wasteful number, since it uses less digits than its factorization.

20025340042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8613.

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 20025340042 its reverse (24004352002), we get a palindrome (44029692044).

The spelling of 20025340042 in words is "twenty billion, twenty-five million, three hundred forty thousand, forty-two".