20035420 has 24 divisors (see below), whose sum is σ = 43054704. Its totient is φ = 7827456.

The previous prime is 20035409. The next prime is 20035441. The reversal of 20035420 is 2453002.

It is a junction number, because it is equal to n+sod(n) for n = 20035394 and 20035403.

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, 10789 + ... + 12508.

It is an arithmetic number, because the mean of its divisors is an integer number (1793946).

Almost surely, 2^20035420 is an apocalyptic number.

20035420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20035420 is an abundant number, since it is smaller than the sum of its proper divisors (23019284).

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

20035420 is a wasteful number, since it uses less digits than its factorization.

20035420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23349 (or 23347 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 20035420 is about 4476.0942796148. The cubic root of 20035420 is about 271.6019082767.

Adding to 20035420 its reverse (2453002), we get a palindrome (22488422).

The spelling of 20035420 in words is "twenty million, thirty-five thousand, four hundred twenty".