20125536433404 has 24 divisors (see below), whose sum is σ = 47240780135808. Its totient is φ = 6668341412400.

The previous prime is 20125536433391. The next prime is 20125536433481. The reversal of 20125536433404 is 40433463552102.

It is a congruent number.

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, 5021339422 + ... + 5021343429.

It is an arithmetic number, because the mean of its divisors is an integer number (1968365838992).

Almost surely, 2^{20125536433404} is an apocalyptic number.

It is an amenable number.

20125536433404 is an abundant number, since it is smaller than the sum of its proper divisors (27115243702404).

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

20125536433404 is a wasteful number, since it uses less digits than its factorization.

20125536433404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10042683025 (or 10042683023 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 20125536433404 its reverse (40433463552102), we get a palindrome (60558999985506).

The spelling of 20125536433404 in words is "twenty trillion, one hundred twenty-five billion, five hundred thirty-six million, four hundred thirty-three thousand, four hundred four".