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20000212002 = 2326491171179
BaseRepresentation
bin10010101000000110…
…110000010000100010
31220121211221001001200
4102220012300100202
5311430023241002
613104333542030
71305423665661
oct225006602042
956554831050
1020000212002
118533664331
123a62044916
131b69750294
14d7a33cdd8
157c0cadb1c
hex4a81b0422

20000212002 has 24 divisors (see below), whose sum is σ = 43340721840. Its totient is φ = 6665671320.

The previous prime is 20000211991. The next prime is 20000212031. The reversal of 20000212002 is 20021200002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31249 + ... + 202427.

It is an arithmetic number, because the mean of its divisors is an integer number (1805863410).

Almost surely, 220000212002 is an apocalyptic number.

20000212002 is an abundant number, since it is smaller than the sum of its proper divisors (23340509838).

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

20000212002 is a wasteful number, since it uses less digits than its factorization.

20000212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177678 (or 177675 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20000212002 its reverse (20021200002), we get a palindrome (40021412004).

The spelling of 20000212002 in words is "twenty billion, two hundred twelve thousand, two".

Divisors: 1 2 3 6 9 18 6491 12982 19473 38946 58419 116838 171179 342358 513537 1027074 1540611 3081222 1111122889 2222245778 3333368667 6666737334 10000106001 20000212002