16126420 has 24 divisors (see below), whose sum is σ = 34045704. Its totient is φ = 6416256.

The previous prime is 16126399. The next prime is 16126447. The reversal of 16126420 is 2462161.

16126420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5143824 + 10982596 = 2268^2 + 3314^2 .

It is a super-2 number, since 2×16126420² = 520122844032800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16126391 and 16126400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894 + ... + 5986.

It is an arithmetic number, because the mean of its divisors is an integer number (1418571).

Almost surely, 2^16126420 is an apocalyptic number.

16126420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16126420 is an abundant number, since it is smaller than the sum of its proper divisors (17919284).

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

16126420 is a wasteful number, since it uses less digits than its factorization.

16126420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4299 (or 4297 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 16126420 is about 4015.7714078369. The cubic root of 16126420 is about 252.6461331010.

Adding to 16126420 its reverse (2462161), we get a palindrome (18588581).

The spelling of 16126420 in words is "sixteen million, one hundred twenty-six thousand, four hundred twenty".