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20022445023 = 372975572521
BaseRepresentation
bin10010101001011011…
…100100001111011111
31220200101202121000220
4102221123210033133
5312001221220043
613110450252423
71306113655200
oct225133441737
956611677026
1020022445023
11854516a329
123a69587113
131b71235c09
14d7d2895a7
157c2c01483
hex4a96e43df

20022445023 has 48 divisors (see below), whose sum is σ = 31444174944. Its totient is φ = 11298631680.

The previous prime is 20022444971. The next prime is 20022445033. The reversal of 20022445023 is 32054422002.

It is a happy number.

It is not a de Polignac number, because 20022445023 - 210 = 20022443999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20022444984 and 20022445002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022445033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7941003 + ... + 7943523.

It is an arithmetic number, because the mean of its divisors is an integer number (655086978).

Almost surely, 220022445023 is an apocalyptic number.

20022445023 is a deficient number, since it is larger than the sum of its proper divisors (11421729921).

20022445023 is a wasteful number, since it uses less digits than its factorization.

20022445023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3185 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 20022445023 its reverse (32054422002), we get a palindrome (52076867025).

The spelling of 20022445023 in words is "twenty billion, twenty-two million, four hundred forty-five thousand, twenty-three".

Divisors: 1 3 7 21 49 97 147 291 557 679 1671 2037 2521 3899 4753 7563 11697 14259 17647 27293 52941 54029 81879 123529 162087 244537 370587 378203 733611 1134609 1404197 1711759 2647421 4212591 5135277 7942263 9829379 11982313 29488137 35946939 68805653 136207109 206416959 408621327 953449763 2860349289 6674148341 20022445023