20260725951 has 4 divisors (see below), whose sum is σ = 27014301272. Its totient is φ = 13507150632.

The previous prime is 20260725937. The next prime is 20260725959. The reversal of 20260725951 is 15952706202.

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

It is not a de Polignac number, because 20260725951 - 2¹⁵ = 20260693183 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 (20260725959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3376787656 + ... + 3376787661.

It is an arithmetic number, because the mean of its divisors is an integer number (6753575318).

Almost surely, 2^20260725951 is an apocalyptic number.

20260725951 is a deficient number, since it is larger than the sum of its proper divisors (6753575321).

20260725951 is an equidigital number, since it uses as much as digits as its factorization.

20260725951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6753575320.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 20260725951 in words is "twenty billion, two hundred sixty million, seven hundred twenty-five thousand, nine hundred fifty-one".