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20702522955 = 354349317353
BaseRepresentation
bin10011010001111101…
…110110111001001011
31222102210110010120110
4103101331312321023
5314344321213310
613302142525403
71332012353532
oct232175667113
958383403513
1020702522955
118864041a04
124019296863
131c4c0bb4aa
141005719319
1581278ad20
hex4d1f76e4b

20702522955 has 16 divisors (see below), whose sum is σ = 33131757600. Its totient is φ = 11038771968.

The previous prime is 20702522941. The next prime is 20702522957. The reversal of 20702522955 is 55922520702.

It is not a de Polignac number, because 20702522955 - 26 = 20702522891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20702522957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93442 + ... + 223911.

It is an arithmetic number, because the mean of its divisors is an integer number (2070734850).

Almost surely, 220702522955 is an apocalyptic number.

20702522955 is a deficient number, since it is larger than the sum of its proper divisors (12429234645).

20702522955 is a wasteful number, since it uses less digits than its factorization.

20702522955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321710.

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 20702522955 in words is "twenty billion, seven hundred two million, five hundred twenty-two thousand, nine hundred fifty-five".

Divisors: 1 3 5 15 4349 13047 21745 65235 317353 952059 1586765 4760295 1380168197 4140504591 6900840985 20702522955