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20850224655770 = 2561103331851419
BaseRepresentation
bin1001011110110100100100…
…01110111110110110011010
32201211021002000011010001022
410233122102032332312122
510213102230002441040
6112202243323122442
74251244001243516
oct457322216766632
981737060133038
1020850224655770
116709592288004
122408ab6073422
13b8322470aa23
14521228ab3146
152625675e76b5
hex12f6923bed9a

20850224655770 has 32 divisors (see below), whose sum is σ = 38516003210880. Its totient is φ = 8123722712640.

The previous prime is 20850224655671. The next prime is 20850224655847. The reversal of 20850224655770 is 7755642205802.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 165862880 + ... + 165988539.

It is an arithmetic number, because the mean of its divisors is an integer number (1203625100340).

Almost surely, 220850224655770 is an apocalyptic number.

20850224655770 is a deficient number, since it is larger than the sum of its proper divisors (17665778555110).

20850224655770 is a wasteful number, since it uses less digits than its factorization.

20850224655770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331851590.

The product of its (nonzero) digits is 9408000, while the sum is 53.

The spelling of 20850224655770 in words is "twenty trillion, eight hundred fifty billion, two hundred twenty-four million, six hundred fifty-five thousand, seven hundred seventy".

Divisors: 1 2 5 10 61 103 122 206 305 515 610 1030 6283 12566 31415 62830 331851419 663702838 1659257095 3318514190 20242936559 34180696157 40485873118 68361392314 101214682795 170903480785 202429365590 341806961570 2085022465577 4170044931154 10425112327885 20850224655770