118013420 has 48 divisors (see below), whose sum is σ = 284497920. Its totient is φ = 40281024.

The previous prime is 118013419. The next prime is 118013429. The reversal of 118013420 is 24310811.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 118013392 and 118013401.

It is not an unprimeable number, because it can be changed into a prime (118013429) 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, 31697 + ... + 35223.

It is an arithmetic number, because the mean of its divisors is an integer number (5927040).

Almost surely, 2^118013420 is an apocalyptic number.

118013420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118013420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142248960).

118013420 is an abundant number, since it is smaller than the sum of its proper divisors (166484500).

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

118013420 is a wasteful number, since it uses less digits than its factorization.

118013420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3782 (or 3780 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 118013420 is about 10863.3981792071. The cubic root of 118013420 is about 490.5054066087.

The spelling of 118013420 in words is "one hundred eighteen million, thirteen thousand, four hundred twenty".