20122545011 has 8 divisors (see below), whose sum is σ = 20220632640. Its totient is φ = 20024573632.

The previous prime is 20122544933. The next prime is 20122545013. The reversal of 20122545011 is 11054522102.

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 20122545011 - 2²⁶ = 20055436147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122545013) 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, 328631 + ... + 385023.

It is an arithmetic number, because the mean of its divisors is an integer number (2527579080).

Almost surely, 2^20122545011 is an apocalyptic number.

20122545011 is a deficient number, since it is larger than the sum of its proper divisors (98087629).

20122545011 is a wasteful number, since it uses less digits than its factorization.

20122545011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58125.

The product of its (nonzero) digits is 800, while the sum is 23.

The spelling of 20122545011 in words is "twenty billion, one hundred twenty-two million, five hundred forty-five thousand, eleven".