200426420 has 48 divisors (see below), whose sum is σ = 427765968. Its totient is φ = 78873600.

The previous prime is 200426399. The next prime is 200426441. The reversal of 200426420 is 24624002.

200426420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (200426399) and next prime (200426441).

It can be written as a sum of positive squares in 8 ways, for example, as 30958096 + 169468324 = 5564^2 + 13018^2 .

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 = 200426392 and 200426401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632102 + ... + 632418.

It is an arithmetic number, because the mean of its divisors is an integer number (8911791).

Almost surely, 2^200426420 is an apocalyptic number.

200426420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200426420 is an abundant number, since it is smaller than the sum of its proper divisors (227339548).

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

200426420 is a wasteful number, since it uses less digits than its factorization.

200426420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 200426420 is about 14157.2038199639. The cubic root of 200426420 is about 585.2188724922.

It can be divided in two parts, 20042 and 6420, that added together give a palindrome (26462).

The spelling of 200426420 in words is "two hundred million, four hundred twenty-six thousand, four hundred twenty".