20125533335650 has 24 divisors (see below), whose sum is σ = 37437003592704. Its totient is φ = 8049458154000.

The previous prime is 20125533335641. The next prime is 20125533335701. The reversal of 20125533335650 is 5653333552102.

It is a junction number, because it is equal to n+sod(n) for n = 20125533335597 and 20125533335606.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18341026 + ... + 19407325.

It is an arithmetic number, because the mean of its divisors is an integer number (1559875149696).

Almost surely, 2^{20125533335650} is an apocalyptic number.

20125533335650 is a deficient number, since it is larger than the sum of its proper divisors (17311470257054).

20125533335650 is a wasteful number, since it uses less digits than its factorization.

20125533335650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37759026 (or 37759021 counting only the distinct ones).

The product of its (nonzero) digits is 1215000, while the sum is 43.

Adding to 20125533335650 its reverse (5653333552102), we get a palindrome (25778866887752).

The spelling of 20125533335650 in words is "twenty trillion, one hundred twenty-five billion, five hundred thirty-three million, three hundred thirty-five thousand, six hundred fifty".