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20522041554 = 2374710396171
BaseRepresentation
bin10011000111001101…
…011000000011010010
31221222012211201122010
4103013031120003102
5314012120312204
613232214323350
71324361321640
oct230715300322
957865751563
1020522041554
118781180623
123b88959556
131c208a9471
14dc9778190
158019d9d89
hex4c73580d2

20522041554 has 32 divisors (see below), whose sum is σ = 47905560576. Its totient is φ = 5738685840.

The previous prime is 20522041549. The next prime is 20522041577. The reversal of 20522041554 is 45514022502.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5196112 + ... + 5200059.

It is an arithmetic number, because the mean of its divisors is an integer number (1497048768).

Almost surely, 220522041554 is an apocalyptic number.

20522041554 is an abundant number, since it is smaller than the sum of its proper divisors (27383519022).

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

20522041554 is a wasteful number, since it uses less digits than its factorization.

20522041554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10396230.

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 20522041554 in words is "twenty billion, five hundred twenty-two million, forty-one thousand, five hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 47 94 141 282 329 658 987 1974 10396171 20792342 31188513 62377026 72773197 145546394 218319591 436639182 488620037 977240074 1465860111 2931720222 3420340259 6840680518 10261020777 20522041554