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20791152222 = 239413682457
BaseRepresentation
bin10011010111001111…
…111100111001011110
31222122222012222001220
4103113033330321132
5320040013332342
613315030314210
71334136610101
oct232717747136
958588188056
1020791152222
1188aa077435
124042ab8966
131c64580549
1410133ca738
1581a4465ec
hex4d73fce5e

20791152222 has 16 divisors (see below), whose sum is σ = 41626505232. Its totient is φ = 6923017280.

The previous prime is 20791152209. The next prime is 20791152253. The reversal of 20791152222 is 22225119702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1835583 + ... + 1846874.

It is an arithmetic number, because the mean of its divisors is an integer number (2601656577).

Almost surely, 220791152222 is an apocalyptic number.

20791152222 is an abundant number, since it is smaller than the sum of its proper divisors (20835353010).

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

20791152222 is a wasteful number, since it uses less digits than its factorization.

20791152222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683403.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 20791152222 in words is "twenty billion, seven hundred ninety-one million, one hundred fifty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 941 1882 2823 5646 3682457 7364914 11047371 22094742 3465192037 6930384074 10395576111 20791152222