790020 has 192 divisors, whose sum is σ = 3225600. Its totient is φ = 155520.

The previous prime is 790003. The next prime is 790021. The reversal of 790020 is 20097.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 789975 and 790002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (790021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41571 + ... + 41589.

It is an arithmetic number, because the mean of its divisors is an integer number (16800).

2⁷⁹⁰⁰²⁰ is an apocalyptic number.

790020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 790020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612800).

790020 is an abundant number, since it is smaller than the sum of its proper divisors (2435580).

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

790020 is a wasteful number, since it uses less digits than its factorization.

790020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 790020 is about 888.8306925394. The cubic root of 790020 is about 92.4441347599. Note that the first 3 decimals are identical.

The spelling of 790020 in words is "seven hundred ninety thousand, twenty".