20416551154223 has 16 divisors (see below), whose sum is σ = 23848226288640. Its totient is φ = 17114212696416.

The previous prime is 20416551154211. The next prime is 20416551154267. The reversal of 20416551154223 is 32245115561402.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20416551154223 - 2³⁸ = 20141673247279 is a prime.

It is a super-2 number, since 2×20416551154223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20416551154123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23761988 + ... + 24606201.

It is an arithmetic number, because the mean of its divisors is an integer number (1490514143040).

Almost surely, 2^{20416551154223} is an apocalyptic number.

20416551154223 is a deficient number, since it is larger than the sum of its proper divisors (3431675134417).

20416551154223 is a wasteful number, since it uses less digits than its factorization.

20416551154223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48369526.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 20416551154223 in words is "twenty trillion, four hundred sixteen billion, five hundred fifty-one million, one hundred fifty-four thousand, two hundred twenty-three".