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20030331202030 = 2517501012351759
BaseRepresentation
bin1001000110111101011001…
…10001101010100111101110
32121220212210012222012210201
410203132230301222213232
510111134104241431110
6110333450201024114
74135100165003212
oct443365461524756
977825705865721
1020030331202030
1164228a7857056
1222b601948503a
13b23b1017ca66
144d368a67c942
1524b07cad3b3a
hex1237acc6a9ee

20030331202030 has 32 divisors (see below), whose sum is σ = 38176232964480. Its totient is φ = 7540676851200.

The previous prime is 20030331201989. The next prime is 20030331202031. The reversal of 20030331202030 is 3020213303002.

It is a happy number.

It is a super-2 number, since 2×200303312020302 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20030331201989 and 20030331202007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030331202031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7341291 + ... + 9693049.

It is an arithmetic number, because the mean of its divisors is an integer number (1193007280140).

Almost surely, 220030331202030 is an apocalyptic number.

20030331202030 is a deficient number, since it is larger than the sum of its proper divisors (18145901762450).

20030331202030 is a wasteful number, since it uses less digits than its factorization.

20030331202030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401884.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20030331202030 its reverse (3020213303002), we get a palindrome (23050544505032).

The spelling of 20030331202030 in words is "twenty trillion, thirty billion, three hundred thirty-one million, two hundred two thousand, thirty".

Divisors: 1 2 5 10 17 34 85 170 50101 100202 250505 501010 851717 1703434 2351759 4258585 4703518 8517170 11758795 23517590 39979903 79959806 199899515 399799030 117825477659 235650955318 589127388295 1178254776590 2003033120203 4006066240406 10015165601015 20030331202030