20143011314997 has 84 divisors (see below), whose sum is σ = 32035749271020. Its totient is φ = 12657291123456.

The previous prime is 20143011314983. The next prime is 20143011314999. The reversal of 20143011314997 is 79941311034102.

20143011314997 is a `hidden beast` number, since 2 + 0 + 1 + 43 + 0 + 113 + 1 + 499 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19928420943876 + 214590371121 = 4464126^2 + 463239^2 .

It is not a de Polignac number, because 20143011314997 - 2⁴ = 20143011314981 is a prime.

It is a super-2 number, since 2×20143011314997² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20143011314999) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 51650029 + ... + 52038557.

Almost surely, 2^{20143011314997} is an apocalyptic number.

20143011314997 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

20143011314997 is a deficient number, since it is larger than the sum of its proper divisors (11892737956023).

20143011314997 is an equidigital number, since it uses as much as digits as its factorization.

20143011314997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388782 (or 388748 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 20143011314997 in words is "twenty trillion, one hundred forty-three billion, eleven million, three hundred fourteen thousand, nine hundred ninety-seven".