20454125262466 has 16 divisors (see below), whose sum is σ = 35065636600320. Its totient is φ = 8765698217760.

The previous prime is 20454125262421. The next prime is 20454125262479. The reversal of 20454125262466 is 66426252145402.

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, 29264451 + ... + 29955238.

It is an arithmetic number, because the mean of its divisors is an integer number (2191602287520).

Almost surely, 2^{20454125262466} is an apocalyptic number.

20454125262466 is a deficient number, since it is larger than the sum of its proper divisors (14611511337854).

20454125262466 is a wasteful number, since it uses less digits than its factorization.

20454125262466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59244369.

The product of its (nonzero) digits is 5529600, while the sum is 49.

The spelling of 20454125262466 in words is "twenty trillion, four hundred fifty-four billion, one hundred twenty-five million, two hundred sixty-two thousand, four hundred sixty-six".