20470453441 has 2 divisors, whose sum is σ = 20470453442. Its totient is φ = 20470453440.

The previous prime is 20470453429. The next prime is 20470453477. The reversal of 20470453441 is 14435407402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18372447025 + 2098006416 = 135545^2 + 45804^2 .

It is a cyclic number.

It is not a de Polignac number, because 20470453441 - 2⁷ = 20470453313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20470453397 and 20470453406.

It is not a weakly prime, because it can be changed into another prime (20470453741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10235226720 + 10235226721.

It is an arithmetic number, because the mean of its divisors is an integer number (10235226721).

Almost surely, 2^20470453441 is an apocalyptic number.

It is an amenable number.

20470453441 is a deficient number, since it is larger than the sum of its proper divisors (1).

20470453441 is an equidigital number, since it uses as much as digits as its factorization.

20470453441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 34.

The spelling of 20470453441 in words is "twenty billion, four hundred seventy million, four hundred fifty-three thousand, four hundred forty-one".