20758025623 has 4 divisors (see below), whose sum is σ = 21473819640. Its totient is φ = 20042231608.

The previous prime is 20758025621. The next prime is 20758025657. The reversal of 20758025623 is 32652085702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20758025623 - 2¹ = 20758025621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20758025621) 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, 357896965 + ... + 357897022.

It is an arithmetic number, because the mean of its divisors is an integer number (5368454910).

Almost surely, 2^20758025623 is an apocalyptic number.

20758025623 is a deficient number, since it is larger than the sum of its proper divisors (715794017).

20758025623 is an equidigital number, since it uses as much as digits as its factorization.

20758025623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715794016.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 20758025623 in words is "twenty billion, seven hundred fifty-eight million, twenty-five thousand, six hundred twenty-three".