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20200008 = 2332929023
BaseRepresentation
bin100110100001…
…1101001001000
31102000021012110
41031003221020
520132400013
62000542320
7333461103
oct115035110
942007173
1020200008
1110447624
1269219a0
13425348a
14297b73a
151b902c3
hex1343a48

20200008 has 32 divisors (see below), whose sum is σ = 52243200. Its totient is φ = 6500928.

The previous prime is 20199973. The next prime is 20200013. The reversal of 20200008 is 80000202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20199966 and 20200002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13816 + ... + 15207.

It is an arithmetic number, because the mean of its divisors is an integer number (1632600).

Almost surely, 220200008 is an apocalyptic number.

It is an amenable number.

20200008 is an abundant number, since it is smaller than the sum of its proper divisors (32043192).

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

20200008 is a wasteful number, since it uses less digits than its factorization.

20200008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29061 (or 29057 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 20200008 is about 4494.4419008371. The cubic root of 20200008 is about 272.3436041098.

It can be divided in two parts, 20 and 200008, that added together give a triangular number (200028 = T632).

The spelling of 20200008 in words is "twenty million, two hundred thousand, eight".

Divisors: 1 2 3 4 6 8 12 24 29 58 87 116 174 232 348 696 29023 58046 87069 116092 174138 232184 348276 696552 841667 1683334 2525001 3366668 5050002 6733336 10100004 20200008