20405125030150 has 96 divisors (see below), whose sum is σ = 43418762449920. Its totient is φ = 6989063512320.

The previous prime is 20405125030139. The next prime is 20405125030181. The reversal of 20405125030150 is 5103052150402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1672133949 + ... + 1672146151.

It is an arithmetic number, because the mean of its divisors is an integer number (452278775520).

Almost surely, 2^{20405125030150} is an apocalyptic number.

20405125030150 is an abundant number, since it is smaller than the sum of its proper divisors (23013637419770).

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

20405125030150 is a wasteful number, since it uses less digits than its factorization.

20405125030150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16598 (or 16593 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 20405125030150 its reverse (5103052150402), we get a palindrome (25508177180552).

The spelling of 20405125030150 in words is "twenty trillion, four hundred five billion, one hundred twenty-five million, thirty thousand, one hundred fifty".