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20022541112747 = 571173659201923
BaseRepresentation
bin1001000110101110111000…
…11100110101010110101011
32121220010200022112200021102
410203113130130311112223
510111022131011101442
6110330121200232015
74134403143225515
oct443273434652653
977803608480242
1020022541112747
11641a56a520738
1222b460460b60b
13b2316b283c84
144d314bc16bb5
1524ac73c4e232
hex1235dc7355ab

20022541112747 has 8 divisors (see below), whose sum is σ = 20057821692480. Its totient is φ = 19987261285320.

The previous prime is 20022541112713. The next prime is 20022541112759. The reversal of 20022541112747 is 74721114522002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20022541112747 - 222 = 20022536918443 is a prime.

It is a super-2 number, since 2×200225411127472 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20022541112747.

It is not an unprimeable number, because it can be changed into a prime (20022541112047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99058328 + ... + 99260250.

It is an arithmetic number, because the mean of its divisors is an integer number (2507227711560).

Almost surely, 220022541112747 is an apocalyptic number.

20022541112747 is a deficient number, since it is larger than the sum of its proper divisors (35280579733).

20022541112747 is a wasteful number, since it uses less digits than its factorization.

20022541112747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376153.

The product of its (nonzero) digits is 62720, while the sum is 38.

Adding to 20022541112747 its reverse (74721114522002), we get a palindrome (94743655634749).

The spelling of 20022541112747 in words is "twenty trillion, twenty-two billion, five hundred forty-one million, one hundred twelve thousand, seven hundred forty-seven".

Divisors: 1 571 173659 201923 99159289 115298033 35065746257 20022541112747