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20274658227 = 322718312693
BaseRepresentation
bin10010111000011101…
…101011101110110011
31221022222100100111200
4102320131223232303
5313010303030402
613151500142243
71315265515515
oct227035535663
957288310450
1020274658227
11866457489a
123b19b37983
131bb1571ab5
14da497dbb5
157d9e2121c
hex4b876bbb3

20274658227 has 12 divisors (see below), whose sum is σ = 29393685984. Its totient is φ = 13466561040.

The previous prime is 20274658199. The next prime is 20274658231. The reversal of 20274658227 is 72285647202.

20274658227 is a `hidden beast` number, since 2 + 0 + 2 + 7 + 46 + 582 + 27 = 666.

It is not a de Polignac number, because 20274658227 - 26 = 20274658163 is a prime.

It is a super-2 number, since 2×202746582272 (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20274658237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4153908 + ... + 4158785.

It is an arithmetic number, because the mean of its divisors is an integer number (2449473832).

Almost surely, 220274658227 is an apocalyptic number.

20274658227 is a deficient number, since it is larger than the sum of its proper divisors (9119027757).

20274658227 is a wasteful number, since it uses less digits than its factorization.

20274658227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8312970 (or 8312967 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The spelling of 20274658227 in words is "twenty billion, two hundred seventy-four million, six hundred fifty-eight thousand, two hundred twenty-seven".

Divisors: 1 3 9 271 813 2439 8312693 24938079 74814237 2252739803 6758219409 20274658227