118021471420 has 48 divisors (see below), whose sum is σ = 254402529696. Its totient is φ = 45974880000.

The previous prime is 118021471417. The next prime is 118021471423. The reversal of 118021471420 is 24174120811.

It is an interprime number because it is at equal distance from previous prime (118021471417) and next prime (118021471423).

It is a super-2 number, since 2×118021471420² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118021471423) 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, 355686 + ... + 602125.

It is an arithmetic number, because the mean of its divisors is an integer number (5300052702).

Almost surely, 2^118021471420 is an apocalyptic number.

118021471420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118021471420 is an abundant number, since it is smaller than the sum of its proper divisors (136381058276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118021471420 is a wasteful number, since it uses less digits than its factorization.

118021471420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957982 (or 957980 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The spelling of 118021471420 in words is "one hundred eighteen billion, twenty-one million, four hundred seventy-one thousand, four hundred twenty".