20000122212032 has 28 divisors (see below), whose sum is σ = 39792459561480. Its totient is φ = 9973675708416.

The previous prime is 20000122212029. The next prime is 20000122212139. The reversal of 20000122212032 is 23021222100002.

It is a self number, because there is not a number n which added to its sum of digits gives 20000122212032.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412247393 + ... + 412295904.

Almost surely, 2^{20000122212032} is an apocalyptic number.

It is an amenable number.

20000122212032 is a deficient number, since it is larger than the sum of its proper divisors (19792337349448).

20000122212032 is an equidigital number, since it uses as much as digits as its factorization.

20000122212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824543688 (or 824543678 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20000122212032 its reverse (23021222100002), we get a palindrome (43021344312034).

The spelling of 20000122212032 in words is "twenty trillion, one hundred twenty-two million, two hundred twelve thousand, thirty-two".