20267107453 has 2 divisors, whose sum is σ = 20267107454. Its totient is φ = 20267107452.

The previous prime is 20267107387. The next prime is 20267107459. The reversal of 20267107453 is 35470176202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11362920409 + 8904187044 = 106597^2 + 94362^2 .

It is a cyclic number.

It is not a de Polignac number, because 20267107453 - 2¹⁷ = 20266976381 is a prime.

It is a super-2 number, since 2×20267107453² (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 (20267107459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10133553726 + 10133553727.

It is an arithmetic number, because the mean of its divisors is an integer number (10133553727).

Almost surely, 2^20267107453 is an apocalyptic number.

It is an amenable number.

20267107453 is a deficient number, since it is larger than the sum of its proper divisors (1).

20267107453 is an equidigital number, since it uses as much as digits as its factorization.

20267107453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 20267107453 in words is "twenty billion, two hundred sixty-seven million, one hundred seven thousand, four hundred fifty-three".