200421254024444 has 12 divisors (see below), whose sum is σ = 362051297592768. Its totient is φ = 96978026140800.

The previous prime is 200421254024441. The next prime is 200421254024477. The reversal of 200421254024444 is 444420452124002.

It is a super-2 number, since 2×200421254024444² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200421254024398 and 200421254024407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200421254024441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808150217717 + ... + 808150217964.

It is an arithmetic number, because the mean of its divisors is an integer number (30170941466064).

Almost surely, 2^{200421254024444} is an apocalyptic number.

It is an amenable number.

200421254024444 is a deficient number, since it is larger than the sum of its proper divisors (161630043568324).

200421254024444 is a wasteful number, since it uses less digits than its factorization.

200421254024444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616300435716 (or 1616300435714 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 38.

The spelling of 200421254024444 in words is "two hundred trillion, four hundred twenty-one billion, two hundred fifty-four million, twenty-four thousand, four hundred forty-four".