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11120020 = 2254171191
BaseRepresentation
bin101010011010…
…110110010100
3202220221210121
4222122312110
510321320040
61034201324
7163342612
oct52326624
922827717
1011120020
1163056aa
123883244
1323c45c2
1416966b2
15e99c4a

11120020 has 48 divisors (see below), whose sum is σ = 24385536. Its totient is φ = 4256000.

The previous prime is 11120009. The next prime is 11120033. The reversal of 11120020 is 2002111.

11120020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11119985 and 11120012.

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, 58125 + ... + 58315.

It is an arithmetic number, because the mean of its divisors is an integer number (508032).

Almost surely, 211120020 is an apocalyptic number.

11120020 is a gapful number since it is divisible by the number (10) 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 11120020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12192768).

11120020 is an abundant number, since it is smaller than the sum of its proper divisors (13265516).

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

11120020 is a wasteful number, since it uses less digits than its factorization.

11120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 11120020 is about 3334.6693989060. The cubic root of 11120020 is about 223.2039397993.

Adding to 11120020 its reverse (2002111), we get a palindrome (13122131).

The spelling of 11120020 in words is "eleven million, one hundred twenty thousand, twenty".