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20246541436 = 22111978730773
BaseRepresentation
bin10010110110110010…
…011011010001111100
31221021000102212112001
4102312302123101330
5312431103311221
613145013352044
71314504522412
oct226662332174
957230385461
1020246541436
11864a710280
123b10638624
131ba87a9044
14da0d412b2
157d771a391
hex4b6c9b47c

20246541436 has 48 divisors (see below), whose sum is σ = 40739852160. Its totient is φ = 8707245120.

The previous prime is 20246541397. The next prime is 20246541437. The reversal of 20246541436 is 63414564202.

It is a junction number, because it is equal to n+sod(n) for n = 20246541395 and 20246541404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20246541437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642546 + ... + 673318.

It is an arithmetic number, because the mean of its divisors is an integer number (848746920).

Almost surely, 220246541436 is an apocalyptic number.

It is an amenable number.

20246541436 is an abundant number, since it is smaller than the sum of its proper divisors (20493310724).

20246541436 is a wasteful number, since it uses less digits than its factorization.

20246541436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31594 (or 31592 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 20246541436 in words is "twenty billion, two hundred forty-six million, five hundred forty-one thousand, four hundred thirty-six".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 787 836 1574 3148 8657 14953 17314 29906 30773 34628 59812 61546 123092 164483 328966 338503 584687 657932 677006 1169374 1354012 2338748 6431557 12863114 24218351 25726228 48436702 96873404 266401861 460148669 532803722 920297338 1065607444 1840594676 5061635359 10123270718 20246541436