20422422345452 has 48 divisors (see below), whose sum is σ = 38732791507200. Its totient is φ = 9392872104000.

The previous prime is 20422422345427. The next prime is 20422422345473. The reversal of 20422422345452 is 25454322422402.

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, 14578502 + ... + 15917837.

It is an arithmetic number, because the mean of its divisors is an integer number (806933156400).

Almost surely, 2^{20422422345452} is an apocalyptic number.

It is an amenable number.

20422422345452 is a deficient number, since it is larger than the sum of its proper divisors (18310369161748).

20422422345452 is a wasteful number, since it uses less digits than its factorization.

20422422345452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30496646 (or 30496644 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 41.

Adding to 20422422345452 its reverse (25454322422402), we get a palindrome (45876744767854).

The spelling of 20422422345452 in words is "twenty trillion, four hundred twenty-two billion, four hundred twenty-two million, three hundred forty-five thousand, four hundred fifty-two".