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20632771052 = 2210748207409
BaseRepresentation
bin10011001101110011…
…110001100111101100
31222020221012100221122
4103031303301213230
5314223442133202
613251211520112
71330204442315
oct231563614754
958227170848
1020632771052
118828730303
123bb9a59038
131c3a80888a
14dda35d60c
1580b5ad9a2
hex4cdcf19ec

20632771052 has 12 divisors (see below), whose sum is σ = 36444801960. Its totient is φ = 10219970496.

The previous prime is 20632771013. The next prime is 20632771087. The reversal of 20632771052 is 25017723602.

It is a super-2 number, since 2×206327710522 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24103277 + ... + 24104132.

It is an arithmetic number, because the mean of its divisors is an integer number (3037066830).

Almost surely, 220632771052 is an apocalyptic number.

It is an amenable number.

20632771052 is a deficient number, since it is larger than the sum of its proper divisors (15812030908).

20632771052 is a wasteful number, since it uses less digits than its factorization.

20632771052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48207520 (or 48207518 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 20632771052 in words is "twenty billion, six hundred thirty-two million, seven hundred seventy-one thousand, fifty-two".

Divisors: 1 2 4 107 214 428 48207409 96414818 192829636 5158192763 10316385526 20632771052