945563020 has 24 divisors (see below), whose sum is σ = 1986259968. Its totient is φ = 378115200.

The previous prime is 945563011. The next prime is 945563107. The reversal of 945563020 is 20365549.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133365 + ... + 140275.

It is an arithmetic number, because the mean of its divisors is an integer number (82760832).

Almost surely, 2^945563020 is an apocalyptic number.

It is an amenable number.

945563020 is an abundant number, since it is smaller than the sum of its proper divisors (1040696948).

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

945563020 is a wasteful number, since it uses less digits than its factorization.

945563020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13761 (or 13759 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 945563020 is about 30750.0084552834. The cubic root of 945563020 is about 981.5147406889.

The spelling of 945563020 in words is "nine hundred forty-five million, five hundred sixty-three thousand, twenty".