20352544660653 has 32 divisors (see below), whose sum is σ = 28832431689600. Its totient is φ = 12733927335936.

The previous prime is 20352544660649. The next prime is 20352544660709. The reversal of 20352544660653 is 35606644525302.

It is not a de Polignac number, because 20352544660653 - 2² = 20352544660649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20352544660596 and 20352544660605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352544660603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33203001 + ... + 33810417.

It is an arithmetic number, because the mean of its divisors is an integer number (901013490300).

Almost surely, 2^{20352544660653} is an apocalyptic number.

It is an amenable number.

20352544660653 is a deficient number, since it is larger than the sum of its proper divisors (8479887028947).

20352544660653 is a wasteful number, since it uses less digits than its factorization.

20352544660653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612941.

The product of its (nonzero) digits is 15552000, while the sum is 51.

The spelling of 20352544660653 in words is "twenty trillion, three hundred fifty-two billion, five hundred forty-four million, six hundred sixty thousand, six hundred fifty-three".