20722245232030 has 32 divisors (see below), whose sum is σ = 38265830874720. Its totient is φ = 8076818094720.

The previous prime is 20722245231991. The next prime is 20722245232067. The reversal of 20722245232030 is 3023254222702.

It is a super-2 number, since 2×20722245232030² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158677225 + ... + 158807764.

It is an arithmetic number, because the mean of its divisors is an integer number (1195807214835).

Almost surely, 2^{20722245232030} is an apocalyptic number.

20722245232030 is a deficient number, since it is larger than the sum of its proper divisors (17543585642690).

20722245232030 is a wasteful number, since it uses less digits than its factorization.

20722245232030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317485164.

The product of its (nonzero) digits is 80640, while the sum is 34.

Adding to 20722245232030 its reverse (3023254222702), we get a palindrome (23745499454732).

The spelling of 20722245232030 in words is "twenty trillion, seven hundred twenty-two billion, two hundred forty-five million, two hundred thirty-two thousand, thirty".