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20675925330 = 2353947174613
BaseRepresentation
bin10011010000011000…
…011001010101010010
31222100221101211111020
4103100120121111102
5314321014102310
613255352500310
71331240315454
oct232030312522
958327354436
1020675925330
1188500257a5
1240103aa696
131c46738058
141001d942d4
15810285170
hex4d0619552

20675925330 has 32 divisors (see below), whose sum is σ = 49635077184. Its totient is φ = 5512151616.

The previous prime is 20675925299. The next prime is 20675925349. The reversal of 20675925330 is 3352957602.

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, 31104 + ... + 205716.

It is an arithmetic number, because the mean of its divisors is an integer number (1551096162).

Almost surely, 220675925330 is an apocalyptic number.

20675925330 is an abundant number, since it is smaller than the sum of its proper divisors (28959151854).

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

20675925330 is a wasteful number, since it uses less digits than its factorization.

20675925330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178570.

The product of its (nonzero) digits is 340200, while the sum is 42.

The spelling of 20675925330 in words is "twenty billion, six hundred seventy-five million, nine hundred twenty-five thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 3947 7894 11841 19735 23682 39470 59205 118410 174613 349226 523839 873065 1047678 1746130 2619195 5238390 689197511 1378395022 2067592533 3445987555 4135185066 6891975110 10337962665 20675925330