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20202201212 = 22192915160703
BaseRepresentation
bin10010110100001001…
…010010000001111100
31221010221000011011112
4102310021102001330
5312333230414322
613140351141152
71313425606544
oct226411220174
957127004145
1020202201212
118627685866
123ab98147b8
131b9c552b1b
14d990bc324
157d38ac5e2
hex4b425207c

20202201212 has 48 divisors (see below), whose sum is σ = 38753433600. Its totient is φ = 9178142400.

The previous prime is 20202201163. The next prime is 20202201223. The reversal of 20202201212 is 21210220202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302453 + ... + 363155.

It is an arithmetic number, because the mean of its divisors is an integer number (807363200).

Almost surely, 220202201212 is an apocalyptic number.

It is an amenable number.

20202201212 is a deficient number, since it is larger than the sum of its proper divisors (18551232388).

20202201212 is a wasteful number, since it uses less digits than its factorization.

20202201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60906 (or 60904 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20202201212 its reverse (21210220202), we get a palindrome (41412421414).

The spelling of 20202201212 in words is "twenty billion, two hundred two million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 4 19 29 38 58 76 116 151 302 551 604 1102 2204 2869 4379 5738 8758 11476 17516 60703 83201 121406 166402 242812 332804 1153357 1760387 2306714 3520774 4613428 7041548 9166153 18332306 33447353 36664612 66894706 133789412 174156907 265818437 348313814 531636874 696627628 1063273748 5050550303 10101100606 20202201212