20451612453514 has 8 divisors (see below), whose sum is σ = 33466274923968. Its totient is φ = 9296187478860.

The previous prime is 20451612453479. The next prime is 20451612453529. The reversal of 20451612453514 is 41535421615402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464809373922 + ... + 464809373965.

It is an arithmetic number, because the mean of its divisors is an integer number (4183284365496).

Almost surely, 2^{20451612453514} is an apocalyptic number.

20451612453514 is a deficient number, since it is larger than the sum of its proper divisors (13014662470454).

20451612453514 is a wasteful number, since it uses less digits than its factorization.

20451612453514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929618747900.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 20451612453514 in words is "twenty trillion, four hundred fifty-one billion, six hundred twelve million, four hundred fifty-three thousand, five hundred fourteen".