Search a number
-
+
20270582288 = 2411196061777
BaseRepresentation
bin10010111000001110…
…001000101000010000
31221022200200021100222
4102320032020220100
5313003232113123
613151232532212
71315216051355
oct227016105020
957280607328
1020270582288
118662240550
123b186b1068
131bb07757b8
14da41dc62c
157d98b86c8
hex4b8388a10

20270582288 has 40 divisors (see below), whose sum is σ = 45099628320. Its totient is φ = 8728957440.

The previous prime is 20270582261. The next prime is 20270582303. The reversal of 20270582288 is 88228507202.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3027545 + ... + 3034232.

It is an arithmetic number, because the mean of its divisors is an integer number (1127490708).

Almost surely, 220270582288 is an apocalyptic number.

It is an amenable number.

20270582288 is an abundant number, since it is smaller than the sum of its proper divisors (24829046032).

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

20270582288 is a wasteful number, since it uses less digits than its factorization.

20270582288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061815 (or 6061809 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 44.

The spelling of 20270582288 in words is "twenty billion, two hundred seventy million, five hundred eighty-two thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 11 16 19 22 38 44 76 88 152 176 209 304 418 836 1672 3344 6061777 12123554 24247108 48494216 66679547 96988432 115173763 133359094 230347526 266718188 460695052 533436376 921390104 1066872752 1266911393 1842780208 2533822786 5067645572 10135291144 20270582288