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20674414234 = 2791134492579
BaseRepresentation
bin10011010000010010…
…101000011010011010
31222100211120001122201
4103100102220122122
5314320122223414
613255300240414
71331221423105
oct232022503232
958324501581
1020674414234
11884a193461
12400b9a010a
131c46329306
141001abd73c
15810087574
hex4d04a869a

20674414234 has 32 divisors (see below), whose sum is σ = 31764960000. Its totient is φ = 10089590784.

The previous prime is 20674414213. The next prime is 20674414237. The reversal of 20674414234 is 43241447602.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20674414193 and 20674414202.

It is not an unprimeable number, because it can be changed into a prime (20674414237) 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, 8015157 + ... + 8017735.

It is an arithmetic number, because the mean of its divisors is an integer number (992655000).

Almost surely, 220674414234 is an apocalyptic number.

20674414234 is a deficient number, since it is larger than the sum of its proper divisors (11090545766).

20674414234 is a wasteful number, since it uses less digits than its factorization.

20674414234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222.

The product of its (nonzero) digits is 129024, while the sum is 37.

The spelling of 20674414234 in words is "twenty billion, six hundred seventy-four million, four hundred fourteen thousand, two hundred thirty-four".

Divisors: 1 2 79 113 158 226 449 898 2579 5158 8927 17854 35471 50737 70942 101474 203741 291427 407482 582854 1157971 2315942 4008223 8016446 23022733 46045466 91479709 130850723 182959418 261701446 10337207117 20674414234