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244120020 = 22354068667
BaseRepresentation
bin11101000110011…
…11100111010100
3122000100120201020
432203033213110
5444443320040
640120201140
76022662114
oct1643174724
9560316636
10244120020
11115887a91
12699091b0
133b764221
14245c9044
1516671cd0
hexe8cf9d4

244120020 has 24 divisors (see below), whose sum is σ = 683536224. Its totient is φ = 65098656.

The previous prime is 244120013. The next prime is 244120049. The reversal of 244120020 is 20021442.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 2034274 + ... + 2034393.

It is an arithmetic number, because the mean of its divisors is an integer number (28480676).

Almost surely, 2244120020 is an apocalyptic number.

244120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244120020 is an abundant number, since it is smaller than the sum of its proper divisors (439416204).

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

244120020 is a wasteful number, since it uses less digits than its factorization.

244120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068679 (or 4068677 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 244120020 is about 15624.3406260872. The cubic root of 244120020 is about 624.9824165720.

Adding to 244120020 its reverse (20021442), we get a palindrome (264141462).

The spelling of 244120020 in words is "two hundred forty-four million, one hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 4068667 8137334 12206001 16274668 20343335 24412002 40686670 48824004 61030005 81373340 122060010 244120020