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20000231002 = 2293111123599
BaseRepresentation
bin10010101000000110…
…110100111001011010
31220121211222000010101
4102220012310321122
5311430024343002
613104334210014
71305424105243
oct225006647132
956554860111
1020000231002
118533677634
123a6205390a
131b69758b1b
14d7a345cca
157c0cb4587
hex4a81b4e5a

20000231002 has 16 divisors (see below), whose sum is σ = 32035968000. Its totient is φ = 9343822320.

The previous prime is 20000230981. The next prime is 20000231039. The reversal of 20000231002 is 20013200002.

It is a self number, because there is not a number n which added to its sum of digits gives 20000231002.

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, 5560002 + ... + 5563597.

It is an arithmetic number, because the mean of its divisors is an integer number (2002248000).

Almost surely, 220000231002 is an apocalyptic number.

20000231002 is a deficient number, since it is larger than the sum of its proper divisors (12035736998).

20000231002 is a wasteful number, since it uses less digits than its factorization.

20000231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11123661.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20000231002 its reverse (20013200002), we get a palindrome (40013431004).

The spelling of 20000231002 in words is "twenty billion, two hundred thirty-one thousand, two".

Divisors: 1 2 29 31 58 62 899 1798 11123599 22247198 322584371 344831569 645168742 689663138 10000115501 20000231002