920214281284 has 9 divisors (see below), whose sum is σ = 1610378349727. Its totient is φ = 460106181364.

The previous prime is 920214281269. The next prime is 920214281293. The reversal of 920214281284 is 482182412029.

The square root of 920214281284 is 959278.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 920214281284.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1678737 + ... + 2158375.

Almost surely, 2^920214281284 is an apocalyptic number.

920214281284 is the 959278-th square number.

It is an amenable number.

920214281284 is a deficient number, since it is larger than the sum of its proper divisors (690164068443).

920214281284 is an frugal number, since it uses more digits than its factorization.

920214281284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959282 (or 479641 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The spelling of 920214281284 in words is "nine hundred twenty billion, two hundred fourteen million, two hundred eighty-one thousand, two hundred eighty-four".