20014527151457 has 2 divisors, whose sum is σ = 20014527151458. Its totient is φ = 20014527151456.

The previous prime is 20014527151393. The next prime is 20014527151499. The reversal of 20014527151457 is 75415172541002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15370484911441 + 4644042240016 = 3920521^2 + 2155004^2 .

It is a cyclic number.

It is not a de Polignac number, because 20014527151457 - 2⁶ = 20014527151393 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010527151457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10007263575728 + 10007263575729.

It is an arithmetic number, because the mean of its divisors is an integer number (10007263575729).

Almost surely, 2^{20014527151457} is an apocalyptic number.

It is an amenable number.

20014527151457 is a deficient number, since it is larger than the sum of its proper divisors (1).

20014527151457 is an equidigital number, since it uses as much as digits as its factorization.

20014527151457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392000, while the sum is 44.

Adding to 20014527151457 its reverse (75415172541002), we get a palindrome (95429699692459).

The spelling of 20014527151457 in words is "twenty trillion, fourteen billion, five hundred twenty-seven million, one hundred fifty-one thousand, four hundred fifty-seven".