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20441214156 = 22311241642563
BaseRepresentation
bin10011000010011001…
…000010110011001100
31221202120202021021210
4103002121002303030
5313330422323111
613220210054420
71322360311356
oct230231026314
957676667253
1020441214156
11873a594820
123b6587a410
131c09c195bc
14dbcb380d6
157e98710a6
hex4c2642ccc

20441214156 has 48 divisors (see below), whose sum is σ = 52248163968. Its totient is φ = 6168595200.

The previous prime is 20441214119. The next prime is 20441214181. The reversal of 20441214156 is 65141214402.

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, 289470 + ... + 353093.

It is an arithmetic number, because the mean of its divisors is an integer number (1088503416).

Almost surely, 220441214156 is an apocalyptic number.

It is an amenable number.

20441214156 is an abundant number, since it is smaller than the sum of its proper divisors (31806949812).

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

20441214156 is a wasteful number, since it uses less digits than its factorization.

20441214156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642822 (or 642820 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 20441214156 its reverse (65141214402), we get a palindrome (85582428558).

The spelling of 20441214156 in words is "twenty billion, four hundred forty-one million, two hundred fourteen thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 241 482 723 964 1446 2651 2892 5302 7953 10604 15906 31812 642563 1285126 1927689 2570252 3855378 7068193 7710756 14136386 21204579 28272772 42409158 84818316 154857683 309715366 464573049 619430732 929146098 1703434513 1858292196 3406869026 5110303539 6813738052 10220607078 20441214156