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20709007832632 = 2372222916636093
BaseRepresentation
bin1001011010101101100010…
…00011100011011000111000
32201022202120100210012202111
410231112301003203120320
510203244022001121012
6112013330432342104
74235114343121060
oct455266103433070
981282510705674
1020709007832632
116664706047709
1223a56649a4934
13b72b0aa14152
1451846da163a0
1525da4eb65ba7
hex12d5b10e3638

20709007832632 has 32 divisors (see below), whose sum is σ = 44378444354400. Its totient is φ = 8874889271424.

The previous prime is 20709007832609. The next prime is 20709007832699. The reversal of 20709007832632 is 23623870090702.

It is a super-2 number, since 2×207090078326322 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 7073223 + ... + 9562870.

It is an arithmetic number, because the mean of its divisors is an integer number (1386826386075).

Almost surely, 220709007832632 is an apocalyptic number.

It is an amenable number.

20709007832632 is an abundant number, since it is smaller than the sum of its proper divisors (23669436521768).

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

20709007832632 is a wasteful number, since it uses less digits than its factorization.

20709007832632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16658335 (or 16658331 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 20709007832632 in words is "twenty trillion, seven hundred nine billion, seven million, eight hundred thirty-two thousand, six hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 22229 44458 88916 155603 177832 311206 622412 1244824 16636093 33272186 66544372 116452651 133088744 232905302 465810604 931621208 369803711297 739607422594 1479214845188 2588625979079 2958429690376 5177251958158 10354503916316 20709007832632