20430097652 has 6 divisors (see below), whose sum is σ = 35752670898. Its totient is φ = 10215048824.

The previous prime is 20430097631. The next prime is 20430097657. The reversal of 20430097652 is 25679003402.

It can be written as a sum of positive squares in only one way, i.e., 10606116196 + 9823981456 = 102986^2 + 99116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430097657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2553762203 + ... + 2553762210.

It is an arithmetic number, because the mean of its divisors is an integer number (5958778483).

Almost surely, 2^20430097652 is an apocalyptic number.

It is an amenable number.

20430097652 is a deficient number, since it is larger than the sum of its proper divisors (15322573246).

20430097652 is a wasteful number, since it uses less digits than its factorization.

20430097652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107524417 (or 5107524415 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 20430097652 in words is "twenty billion, four hundred thirty million, ninety-seven thousand, six hundred fifty-two".