9029019820 has 24 divisors (see below), whose sum is σ = 18970426944. Its totient is φ = 3609801216.

The previous prime is 9029019809. The next prime is 9029019869. The reversal of 9029019820 is 289109209.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71572 + ... + 152251.

It is an arithmetic number, because the mean of its divisors is an integer number (790434456).

Almost surely, 2^9029019820 is an apocalyptic number.

It is an amenable number.

9029019820 is an abundant number, since it is smaller than the sum of its proper divisors (9941407124).

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

9029019820 is a wasteful number, since it uses less digits than its factorization.

9029019820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225849 (or 225847 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 9029019820 is about 95021.1545920170. The cubic root of 9029019820 is about 2082.3171154501.

The spelling of 9029019820 in words is "nine billion, twenty-nine million, nineteen thousand, eight hundred twenty".