20358000653 has 2 divisors, whose sum is σ = 20358000654. Its totient is φ = 20358000652.

The previous prime is 20358000631. The next prime is 20358000679. The reversal of 20358000653 is 35600085302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14072365129 + 6285635524 = 118627^2 + 79282^2 .

It is a cyclic number.

It is not a de Polignac number, because 20358000653 - 2⁶ = 20358000589 is a prime.

It is a super-3 number, since 3×20358000653³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20358000253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10179000326 + 10179000327.

It is an arithmetic number, because the mean of its divisors is an integer number (10179000327).

Almost surely, 2^20358000653 is an apocalyptic number.

It is an amenable number.

20358000653 is a deficient number, since it is larger than the sum of its proper divisors (1).

20358000653 is an equidigital number, since it uses as much as digits as its factorization.

20358000653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 20358000653 its reverse (35600085302), we get a palindrome (55958085955).

The spelling of 20358000653 in words is "twenty billion, three hundred fifty-eight million, six hundred fifty-three", and thus it is an aban number.