20714284528653 has 4 divisors (see below), whose sum is σ = 27619046038208. Its totient is φ = 13809523019100.

The previous prime is 20714284528627. The next prime is 20714284528657. The reversal of 20714284528653 is 35682548241702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20714284528653 - 2⁴² = 16316238017549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20714284528593 and 20714284528602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20714284528657) 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, 3452380754773 + ... + 3452380754778.

It is an arithmetic number, because the mean of its divisors is an integer number (6904761509552).

Almost surely, 2^{20714284528653} is an apocalyptic number.

It is an amenable number.

20714284528653 is a deficient number, since it is larger than the sum of its proper divisors (6904761509555).

20714284528653 is an equidigital number, since it uses as much as digits as its factorization.

20714284528653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6904761509554.

The product of its (nonzero) digits is 25804800, while the sum is 57.

The spelling of 20714284528653 in words is "twenty trillion, seven hundred fourteen billion, two hundred eighty-four million, five hundred twenty-eight thousand, six hundred fifty-three".