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20200220212 = 2223219567611
BaseRepresentation
bin10010110100000001…
…101110011000110100
31221010210021111202011
4102310001232120310
5312332224021322
613140240454004
71313403016204
oct226401563064
957123244664
1020200220212
118626552477
123ab901a304
131b9c00b233
14d98b24404
157d361a677
hex4b406e634

20200220212 has 12 divisors (see below), whose sum is σ = 36887358816. Its totient is φ = 9660974840.

The previous prime is 20200220207. The next prime is 20200220213. The reversal of 20200220212 is 21202200202.

It is a super-2 number, since 2×202002202122 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20200220192 and 20200220201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200220213) 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, 109783714 + ... + 109783897.

It is an arithmetic number, because the mean of its divisors is an integer number (3073946568).

Almost surely, 220200220212 is an apocalyptic number.

It is an amenable number.

20200220212 is a deficient number, since it is larger than the sum of its proper divisors (16687138604).

20200220212 is a wasteful number, since it uses less digits than its factorization.

20200220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219567638 (or 219567636 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20200220212 its reverse (21202200202), we get a palindrome (41402420414).

The spelling of 20200220212 in words is "twenty billion, two hundred million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 23 46 92 219567611 439135222 878270444 5050055053 10100110106 20200220212