20457366455462 has 16 divisors (see below), whose sum is σ = 30719865945600. Its totient is φ = 10217413887240.

The previous prime is 20457366455371. The next prime is 20457366455497. The reversal of 20457366455462 is 26455466375402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14301839 + ... + 15667077.

It is an arithmetic number, because the mean of its divisors is an integer number (1919991621600).

Almost surely, 2^{20457366455462} is an apocalyptic number.

20457366455462 is a deficient number, since it is larger than the sum of its proper divisors (10262499490138).

20457366455462 is a wasteful number, since it uses less digits than its factorization.

20457366455462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373491.

The product of its (nonzero) digits is 145152000, while the sum is 59.

The spelling of 20457366455462 in words is "twenty trillion, four hundred fifty-seven billion, three hundred sixty-six million, four hundred fifty-five thousand, four hundred sixty-two".