529990020 has 192 divisors, whose sum is σ = 1899072000. Its totient is φ = 120199680.

The previous prime is 529990003. The next prime is 529990049. The reversal of 529990020 is 20099925.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 63 ways as a sum of consecutive naturals, for example, 562750 + ... + 563690.

It is an arithmetic number, because the mean of its divisors is an integer number (9891000).

Almost surely, 2^529990020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 529990020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949536000).

529990020 is an abundant number, since it is smaller than the sum of its proper divisors (1369081980).

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

529990020 is a wasteful number, since it uses less digits than its factorization.

529990020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 529990020 is about 23021.5121136732. The cubic root of 529990020 is about 809.2621538732.

The spelling of 529990020 in words is "five hundred twenty-nine million, nine hundred ninety thousand, twenty".