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20022131253153 = 379136761800707
BaseRepresentation
bin1001000110101110001000…
…00001010101111110100001
32121220002121202022122121110
410203113010001111332201
510111020311100100103
6110330012355413533
74134360035410551
oct443270401257641
977802552278543
1020022131253153
11641a37a1310a7
1222b450b2b42a9
13b2310439c9c3
144d310d607161
1524ac4cc8e403
hex1235c4055fa1

20022131253153 has 16 divisors (see below), whose sum is σ = 27053877934080. Its totient is φ = 13169483245776.

The previous prime is 20022131253077. The next prime is 20022131253191. The reversal of 20022131253153 is 35135213122002.

It is a de Polignac number, because none of the positive numbers 2k-20022131253153 is a prime.

It is a super-2 number, since 2×200221312531532 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20022131253153.

It is not an unprimeable number, because it can be changed into a prime (20022131213153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30576375 + ... + 31224332.

It is an arithmetic number, because the mean of its divisors is an integer number (1690867370880).

Almost surely, 220022131253153 is an apocalyptic number.

It is an amenable number.

20022131253153 is a deficient number, since it is larger than the sum of its proper divisors (7031746680927).

20022131253153 is a wasteful number, since it uses less digits than its factorization.

20022131253153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61802156.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 20022131253153 its reverse (35135213122002), we get a palindrome (55157344375155).

The spelling of 20022131253153 in words is "twenty trillion, twenty-two billion, one hundred thirty-one million, two hundred fifty-three thousand, one hundred fifty-three".

Divisors: 1 3 79 237 1367 4101 107993 323979 61800707 185402121 4882255853 14646767559 84481566469 253444699407 6674043751051 20022131253153