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20676778282 = 270922076607
BaseRepresentation
bin10011010000011011…
…101001100100101010
31222101000000011112001
4103100123221210222
5314321223401112
613255423041214
71331250500266
oct232033514452
958330004461
1020676778282
118850558616
12401074020a
131c46976364
1410021370a6
158103a2c57
hex4d06e992a

20676778282 has 16 divisors (see below), whose sum is σ = 31077688320. Its totient is φ = 10317567888.

The previous prime is 20676778279. The next prime is 20676778301. The reversal of 20676778282 is 28287767602.

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, 3126223 + ... + 3132829.

It is an arithmetic number, because the mean of its divisors is an integer number (1942355520).

Almost surely, 220676778282 is an apocalyptic number.

20676778282 is a deficient number, since it is larger than the sum of its proper divisors (10400910038).

20676778282 is a wasteful number, since it uses less digits than its factorization.

20676778282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9525.

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 20676778282 in words is "twenty billion, six hundred seventy-six million, seven hundred seventy-eight thousand, two hundred eighty-two".

Divisors: 1 2 709 1418 2207 4414 6607 13214 1564763 3129526 4684363 9368726 14581649 29163298 10338389141 20676778282