20530553324 has 12 divisors (see below), whose sum is σ = 35957521824. Its totient is φ = 10256975664.

The previous prime is 20530553321. The next prime is 20530553327. The reversal of 20530553324 is 42335503502.

It is an interprime number because it is at equal distance from previous prime (20530553321) and next prime (20530553327).

It is not an unprimeable number, because it can be changed into a prime (20530553321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069684 + ... + 2079579.

It is an arithmetic number, because the mean of its divisors is an integer number (2996460152).

Almost surely, 2^20530553324 is an apocalyptic number.

It is an amenable number.

20530553324 is a deficient number, since it is larger than the sum of its proper divisors (15426968500).

20530553324 is a wasteful number, since it uses less digits than its factorization.

20530553324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150504 (or 4150502 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 32.

The spelling of 20530553324 in words is "twenty billion, five hundred thirty million, five hundred fifty-three thousand, three hundred twenty-four".