20822345701 has 4 divisors (see below), whose sum is σ = 21494034304. Its totient is φ = 20150657100.

The previous prime is 20822345699. The next prime is 20822345711. The reversal of 20822345701 is 10754322802.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20822345701 - 2¹ = 20822345699 is a prime.

It is the 144300-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20822345711) by changing a digit.

It is a nontrivial repunit in base 144299.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335844255 + ... + 335844316.

It is an arithmetic number, because the mean of its divisors is an integer number (5373508576).

Almost surely, 2^20822345701 is an apocalyptic number.

It is an amenable number.

20822345701 is a deficient number, since it is larger than the sum of its proper divisors (671688603).

20822345701 is an equidigital number, since it uses as much as digits as its factorization.

20822345701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671688602.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 20822345701 in words is "twenty billion, eight hundred twenty-two million, three hundred forty-five thousand, seven hundred one".