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20120573466 = 2327236942917
BaseRepresentation
bin10010101111010001…
…111001011000011010
31220221020102000221200
4102233101321120122
5312201331322331
613124313415030
71311415024020
oct225721713032
956836360850
1020120573466
1185955a2714
123a9640a476
131b88672896
14d8c310710
157cb6365e6
hex4af47961a

20120573466 has 48 divisors (see below), whose sum is σ = 51988569984. Its totient is φ = 5498789472.

The previous prime is 20120573387. The next prime is 20120573513. The reversal of 20120573466 is 66437502102.

20120573466 is a `hidden beast` number, since 2 + 0 + 1 + 20 + 573 + 4 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 20120573466.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3468561 + ... + 3474356.

It is an arithmetic number, because the mean of its divisors is an integer number (1083095208).

Almost surely, 220120573466 is an apocalyptic number.

20120573466 is an abundant number, since it is smaller than the sum of its proper divisors (31867996518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20120573466 is a wasteful number, since it uses less digits than its factorization.

20120573466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6942955 (or 6942952 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 20120573466 in words is "twenty billion, one hundred twenty million, five hundred seventy-three thousand, four hundred sixty-six".

Divisors: 1 2 3 6 7 9 14 18 21 23 42 46 63 69 126 138 161 207 322 414 483 966 1449 2898 6942917 13885834 20828751 41657502 48600419 62486253 97200838 124972506 145801257 159687091 291602514 319374182 437403771 479061273 874807542 958122546 1117809637 1437183819 2235619274 2874367638 3353428911 6706857822 10060286733 20120573466