20122545311 has 8 divisors (see below), whose sum is σ = 22006615248. Its totient is φ = 18247600000.

The previous prime is 20122545293. The next prime is 20122545319. The reversal of 20122545311 is 11354522102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20122545311 - 2²⁶ = 20055436447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122545319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2276540 + ... + 2285361.

It is an arithmetic number, because the mean of its divisors is an integer number (2750826906).

Almost surely, 2^20122545311 is an apocalyptic number.

20122545311 is a deficient number, since it is larger than the sum of its proper divisors (1884069937).

20122545311 is a wasteful number, since it uses less digits than its factorization.

20122545311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562313.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 20122545311 in words is "twenty billion, one hundred twenty-two million, five hundred forty-five thousand, three hundred eleven".