20614516452451 has 12 divisors (see below), whose sum is σ = 21812524624800. Its totient is φ = 19479337291728.

The previous prime is 20614516452367. The next prime is 20614516452473. The reversal of 20614516452451 is 15425461541602.

It is not a de Polignac number, because 20614516452451 - 2¹⁵ = 20614516419683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20614516452251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73257931 + ... + 73538788.

It is an arithmetic number, because the mean of its divisors is an integer number (1817710385400).

Almost surely, 2^{20614516452451} is an apocalyptic number.

20614516452451 is a deficient number, since it is larger than the sum of its proper divisors (1198008172349).

20614516452451 is a wasteful number, since it uses less digits than its factorization.

20614516452451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146797146 (or 146797127 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 46.

The spelling of 20614516452451 in words is "twenty trillion, six hundred fourteen billion, five hundred sixteen million, four hundred fifty-two thousand, four hundred fifty-one".