1160020 has 24 divisors (see below), whose sum is σ = 2515968. Its totient is φ = 448800.

The previous prime is 1160009. The next prime is 1160039. The reversal of 1160020 is 200611.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1159979 and 1160006.

It is a congruent number.

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, 316 + ... + 1555.

It is an arithmetic number, because the mean of its divisors is an integer number (104832).

2^1160020 is an apocalyptic number.

1160020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1160020 is an abundant number, since it is smaller than the sum of its proper divisors (1355948).

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

1160020 is a wasteful number, since it uses less digits than its factorization.

1160020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911 (or 1909 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1160020 is about 1077.0422461538. The cubic root of 1160020 is about 105.0723613071.

Adding to 1160020 its reverse (200611), we get a palindrome (1360631).

It can be divided in two parts, 11 and 60020, that added together give a triangular number (60031 = T₃₄₆).

The spelling of 1160020 in words is "one million, one hundred sixty thousand, twenty".