20126025311 has 16 divisors (see below), whose sum is σ = 23343640320. Its totient is φ = 16995925440.

The previous prime is 20126025289. The next prime is 20126025341. The reversal of 20126025311 is 11352062102.

It is a cyclic number.

It is not a de Polignac number, because 20126025311 - 2²² = 20121831007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20126025341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48515 + ... + 206411.

It is an arithmetic number, because the mean of its divisors is an integer number (1458977520).

Almost surely, 2^20126025311 is an apocalyptic number.

20126025311 is a deficient number, since it is larger than the sum of its proper divisors (3217615009).

20126025311 is a wasteful number, since it uses less digits than its factorization.

20126025311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158174.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 20126025311 its reverse (11352062102), we get a palindrome (31478087413).

The spelling of 20126025311 in words is "twenty billion, one hundred twenty-six million, twenty-five thousand, three hundred eleven".