813754020 has 24 divisors (see below), whose sum is σ = 2278511424. Its totient is φ = 217001056.

The previous prime is 813754003. The next prime is 813754031. The reversal of 813754020 is 20457318.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6781224 + ... + 6781343.

It is an arithmetic number, because the mean of its divisors is an integer number (94937976).

Almost surely, 2^813754020 is an apocalyptic number.

It is an amenable number.

813754020 is an abundant number, since it is smaller than the sum of its proper divisors (1464757404).

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

813754020 is a wasteful number, since it uses less digits than its factorization.

813754020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13562579 (or 13562577 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 813754020 is about 28526.3741123894. The cubic root of 813754020 is about 933.6076084509.

The spelling of 813754020 in words is "eight hundred thirteen million, seven hundred fifty-four thousand, twenty".