20096420 has 24 divisors (see below), whose sum is σ = 43659000. Its totient is φ = 7761152.

The previous prime is 20096387. The next prime is 20096459. The reversal of 20096420 is 2469002.

It can be written as a sum of positive squares in 4 ways, for example, as 506944 + 19589476 = 712^2 + 4426^2 .

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, 16745 + ... + 17904.

It is an arithmetic number, because the mean of its divisors is an integer number (1819125).

Almost surely, 2^20096420 is an apocalyptic number.

20096420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20096420 is an abundant number, since it is smaller than the sum of its proper divisors (23562580).

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

20096420 is a wasteful number, since it uses less digits than its factorization.

20096420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34687 (or 34685 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 20096420 is about 4482.9030772480. The cubic root of 20096420 is about 271.8772694574.

The spelling of 20096420 in words is "twenty million, ninety-six thousand, four hundred twenty".