20022551071099 has 16 divisors (see below), whose sum is σ = 21143433830400. Its totient is φ = 18932732002080.

The previous prime is 20022551071097. The next prime is 20022551071121. The reversal of 20022551071099 is 99017015522002.

It is a cyclic number.

It is not a de Polignac number, because 20022551071099 - 2¹ = 20022551071097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022551071097) 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, 10598304 + ... + 12343789.

It is an arithmetic number, because the mean of its divisors is an integer number (1321464614400).

Almost surely, 2^{20022551071099} is an apocalyptic number.

20022551071099 is a deficient number, since it is larger than the sum of its proper divisors (1120882759301).

20022551071099 is a wasteful number, since it uses less digits than its factorization.

20022551071099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22942770.

The product of its (nonzero) digits is 113400, while the sum is 43.

The spelling of 20022551071099 in words is "twenty trillion, twenty-two billion, five hundred fifty-one million, seventy-one thousand, ninety-nine".