20350122025436 has 72 divisors (see below), whose sum is σ = 41737685778432. Its totient is φ = 8656181100000.

The previous prime is 20350122025397. The next prime is 20350122025451. The reversal of 20350122025436 is 63452022105302.

It is a junction number, because it is equal to n+sod(n) for n = 20350122025396 and 20350122025405.

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 23 ways as a sum of consecutive naturals, for example, 33766301 + ... + 34363691.

It is an arithmetic number, because the mean of its divisors is an integer number (579690080256).

Almost surely, 2^{20350122025436} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20350122025436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20868842889216).

20350122025436 is an abundant number, since it is smaller than the sum of its proper divisors (21387563752996).

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

20350122025436 is a wasteful number, since it uses less digits than its factorization.

20350122025436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598711 (or 598702 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 20350122025436 in words is "twenty trillion, three hundred fifty billion, one hundred twenty-two million, twenty-five thousand, four hundred thirty-six".