20325153222212 has 6 divisors (see below), whose sum is σ = 35569018138878. Its totient is φ = 10162576611104.

The previous prime is 20325153222193. The next prime is 20325153222251. The reversal of 20325153222212 is 21222235152302.

It can be written as a sum of positive squares in only one way, i.e., 18749887252996 + 1575265969216 = 4330114^2 + 1255096^2 .

It is a super-2 number, since 2×20325153222212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2540644152773 + ... + 2540644152780.

It is an arithmetic number, because the mean of its divisors is an integer number (5928169689813).

Almost surely, 2^{20325153222212} is an apocalyptic number.

It is an amenable number.

20325153222212 is a deficient number, since it is larger than the sum of its proper divisors (15243864916666).

20325153222212 is a wasteful number, since it uses less digits than its factorization.

20325153222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081288305557 (or 5081288305555 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 20325153222212 its reverse (21222235152302), we get a palindrome (41547388374514).

The spelling of 20325153222212 in words is "twenty trillion, three hundred twenty-five billion, one hundred fifty-three million, two hundred twenty-two thousand, two hundred twelve".