20061602758451 has 2 divisors, whose sum is σ = 20061602758452. Its totient is φ = 20061602758450.

The previous prime is 20061602758403. The next prime is 20061602758507. The reversal of 20061602758451 is 15485720616002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20061602758451 - 2⁴² = 15663556247347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20061602758396 and 20061602758405.

It is not a weakly prime, because it can be changed into another prime (20061602758051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10030801379225 + 10030801379226.

It is an arithmetic number, because the mean of its divisors is an integer number (10030801379226).

Almost surely, 2^{20061602758451} is an apocalyptic number.

20061602758451 is a deficient number, since it is larger than the sum of its proper divisors (1).

20061602758451 is an equidigital number, since it uses as much as digits as its factorization.

20061602758451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 20061602758451 in words is "twenty trillion, sixty-one billion, six hundred two million, seven hundred fifty-eight thousand, four hundred fifty-one".