20021422204232 has 64 divisors (see below), whose sum is σ = 39931329352320. Its totient is φ = 9378503769088.

The previous prime is 20021422204229. The next prime is 20021422204237. The reversal of 20021422204232 is 23240222412002.

It is a happy number.

It is a super-2 number, since 2×20021422204232² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20021422204237) 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, 164579573 + ... + 164701179.

It is an arithmetic number, because the mean of its divisors is an integer number (623927021130).

Almost surely, 2^{20021422204232} is an apocalyptic number.

It is an amenable number.

20021422204232 is a deficient number, since it is larger than the sum of its proper divisors (19909907148088).

20021422204232 is a wasteful number, since it uses less digits than its factorization.

20021422204232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127190 (or 127186 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20021422204232 its reverse (23240222412002), we get a palindrome (43261644616234).

The spelling of 20021422204232 in words is "twenty trillion, twenty-one billion, four hundred twenty-two million, two hundred four thousand, two hundred thirty-two".