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20202303213012 = 2231799030898103
BaseRepresentation
bin1001001011111101101110…
…00110110100110111010100
32122112022200020122112102210
410211332313012310313110
510121443304110304022
6110544450542033420
74153365622661424
oct445766706646724
978468606575383
1020202303213012
116489826544268
122323412578870
13b370b883163b
144dbb221a6484
15250795613a0c
hex125fb71b4dd4

20202303213012 has 24 divisors (see below), whose sum is σ = 49911572644416. Its totient is φ = 6337977478528.

The previous prime is 20202303213011. The next prime is 20202303213089. The reversal of 20202303213012 is 21031230320202.

It is a happy number.

It is a super-2 number, since 2×202023032130122 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20202303213012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202303213011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49515448848 + ... + 49515449255.

It is an arithmetic number, because the mean of its divisors is an integer number (2079648860184).

Almost surely, 220202303213012 is an apocalyptic number.

It is an amenable number.

20202303213012 is an abundant number, since it is smaller than the sum of its proper divisors (29709269431404).

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

20202303213012 is a wasteful number, since it uses less digits than its factorization.

20202303213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99030898127 (or 99030898125 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20202303213012 its reverse (21031230320202), we get a palindrome (41233533533214).

The spelling of 20202303213012 in words is "twenty trillion, two hundred two billion, three hundred three million, two hundred thirteen thousand, twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 99030898103 198061796206 297092694309 396123592412 594185388618 1188370777236 1683525267751 3367050535502 5050575803253 6734101071004 10101151606506 20202303213012