20416365391269 has 8 divisors (see below), whose sum is σ = 27223321990752. Its totient is φ = 13610159526320.

The previous prime is 20416365391259. The next prime is 20416365391291. The reversal of 20416365391269 is 96219356361402.

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

It is a cyclic number.

It is not a de Polignac number, because 20416365391269 - 2⁸ = 20416365391013 is a prime.

It is a super-2 number, since 2×20416365391269² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20416365391259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187620174 + ... + 187728959.

It is an arithmetic number, because the mean of its divisors is an integer number (3402915248844).

Almost surely, 2^{20416365391269} is an apocalyptic number.

It is an amenable number.

20416365391269 is a deficient number, since it is larger than the sum of its proper divisors (6806956599483).

20416365391269 is a wasteful number, since it uses less digits than its factorization.

20416365391269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375367267.

The product of its (nonzero) digits is 12597120, while the sum is 57.

The spelling of 20416365391269 in words is "twenty trillion, four hundred sixteen billion, three hundred sixty-five million, three hundred ninety-one thousand, two hundred sixty-nine".