20111468 has 24 divisors (see below), whose sum is σ = 38031840. Its totient is φ = 9250560.

The previous prime is 20111447. The next prime is 20111489. The reversal of 20111468 is 86411102.

It is an interprime number because it is at equal distance from previous prime (20111447) and next prime (20111489).

It is a super-2 number, since 2×20111468² = 808942290230048, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22388 + ... + 23268.

It is an arithmetic number, because the mean of its divisors is an integer number (1584660).

Almost surely, 2^20111468 is an apocalyptic number.

It is an amenable number.

20111468 is a deficient number, since it is larger than the sum of its proper divisors (17920372).

20111468 is a wasteful number, since it uses less digits than its factorization.

20111468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 20111468 is about 4484.5811398613. The cubic root of 20111468 is about 271.9451121946.

The spelling of 20111468 in words is "twenty million, one hundred eleven thousand, four hundred sixty-eight".