20276457503 has 2 divisors, whose sum is σ = 20276457504. Its totient is φ = 20276457502.

The previous prime is 20276457493. The next prime is 20276457529. The reversal of 20276457503 is 30575467202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20276457503 - 2²⁰ = 20275408927 is a prime.

It is a super-2 number, since 2×20276457503² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20276457203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10138228751 + 10138228752.

It is an arithmetic number, because the mean of its divisors is an integer number (10138228752).

Almost surely, 2^20276457503 is an apocalyptic number.

20276457503 is a deficient number, since it is larger than the sum of its proper divisors (1).

20276457503 is an equidigital number, since it uses as much as digits as its factorization.

20276457503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 41.

The spelling of 20276457503 in words is "twenty billion, two hundred seventy-six million, four hundred fifty-seven thousand, five hundred three".