Search a number
-
+
20020029284 = 228887563183
BaseRepresentation
bin10010101001010010…
…010110011101100100
31220200020012212021002
4102221102112131210
5312000111414114
613110322412432
71306054304213
oct225122263544
956606185232
1020020029284
11854386a352
123a68801118
131b7089b498
14d7cc1b07a
157c28c57de
hex4a9496764

20020029284 has 12 divisors (see below), whose sum is σ = 35039055744. Its totient is φ = 10008870504.

The previous prime is 20020029283. The next prime is 20020029287. The reversal of 20020029284 is 48292002002.

It is not an unprimeable number, because it can be changed into a prime (20020029283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246044 + ... + 317139.

It is an arithmetic number, because the mean of its divisors is an integer number (2919921312).

Almost surely, 220020029284 is an apocalyptic number.

It is an amenable number.

20020029284 is a deficient number, since it is larger than the sum of its proper divisors (15019026460).

20020029284 is a wasteful number, since it uses less digits than its factorization.

20020029284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572074 (or 572072 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 20020029284 in words is "twenty billion, twenty million, twenty-nine thousand, two hundred eighty-four".

Divisors: 1 2 4 8887 17774 35548 563183 1126366 2252732 5005007321 10010014642 20020029284