1020344912 has 20 divisors (see below), whose sum is σ = 2040690816. Its totient is φ = 493715040.

The previous prime is 1020344911. The next prime is 1020344917. The reversal of 1020344912 is 2194430201.

1020344912 is an admirable number.

It is a super-2 number, since 2×1020344912² = 2082207478888575488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020344911) 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, 1028078 + ... + 1029069.

Almost surely, 2^1020344912 is an apocalyptic number.

It is an amenable number.

1020344912 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1020344912 is a wasteful number, since it uses less digits than its factorization.

1020344912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057186 (or 2057180 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1020344912 is about 31942.8381957521. The cubic root of 1020344912 is about 1006.7361596009.

The spelling of 1020344912 in words is "one billion, twenty million, three hundred forty-four thousand, nine hundred twelve".