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20302003212 = 2235712962931
BaseRepresentation
bin10010111010000101…
…111111110000001100
31221101212210121202220
4102322011333300030
5313034303100322
613154314215340
71316050115511
oct227205776014
957355717686
1020302003212
118678a51557
123b27124550
131bb712746a
14da845b308
157dc52355c
hex4ba17fc0c

20302003212 has 24 divisors (see below), whose sum is σ = 47454318912. Its totient is φ = 6755480400.

The previous prime is 20302003153. The next prime is 20302003229. The reversal of 20302003212 is 21230020302.

It is a junction number, because it is equal to n+sod(n) for n = 20302003191 and 20302003200.

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, 1474614 + ... + 1488317.

It is an arithmetic number, because the mean of its divisors is an integer number (1977263288).

Almost surely, 220302003212 is an apocalyptic number.

It is an amenable number.

20302003212 is an abundant number, since it is smaller than the sum of its proper divisors (27152315700).

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

20302003212 is a wasteful number, since it uses less digits than its factorization.

20302003212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963509 (or 2963507 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20302003212 its reverse (21230020302), we get a palindrome (41532023514).

The spelling of 20302003212 in words is "twenty billion, three hundred two million, three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 571 1142 1713 2284 3426 6852 2962931 5925862 8888793 11851724 17777586 35555172 1691833601 3383667202 5075500803 6767334404 10151001606 20302003212