11620020 has 48 divisors (see below), whose sum is σ = 34251840. Its totient is φ = 2935296.

The previous prime is 11620013. The next prime is 11620033. The reversal of 11620020 is 2002611.

11620020 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11619978 and 11620005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3957 + ... + 6236.

It is an arithmetic number, because the mean of its divisors is an integer number (713580).

Almost surely, 2^11620020 is an apocalyptic number.

11620020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11620020 is an abundant number, since it is smaller than the sum of its proper divisors (22631820).

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

11620020 is a wasteful number, since it uses less digits than its factorization.

11620020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10224 (or 10222 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11620020 is about 3408.8150433838. The cubic root of 11620020 is about 226.5003922823.

Adding to 11620020 its reverse (2002611), we get a palindrome (13622631).

The spelling of 11620020 in words is "eleven million, six hundred twenty thousand, twenty".