20325220324 has 6 divisors (see below), whose sum is σ = 35569135574. Its totient is φ = 10162610160.

The previous prime is 20325220309. The next prime is 20325220327. The reversal of 20325220324 is 42302252302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11370383424 + 8954836900 = 106632^2 + 94630^2 .

It is a super-2 number, since 2×20325220324² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20325220327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2540652537 + ... + 2540652544.

Almost surely, 2^20325220324 is an apocalyptic number.

It is an amenable number.

20325220324 is a deficient number, since it is larger than the sum of its proper divisors (15243915250).

20325220324 is a wasteful number, since it uses less digits than its factorization.

20325220324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081305085 (or 5081305083 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 20325220324 its reverse (42302252302), we get a palindrome (62627472626).

The spelling of 20325220324 in words is "twenty billion, three hundred twenty-five million, two hundred twenty thousand, three hundred twenty-four".