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20413020020 = 2253592843039
BaseRepresentation
bin10011000000101101…
…011111011101110100
31221200121200212012112
4103000231133131310
5313301213120040
613213321510152
71321565543621
oct230055373564
957617625175
1020413020020
118725688088
123b58342358
131c04127593
14db90b9348
157e7152365
hex4c0b5f774

20413020020 has 24 divisors (see below), whose sum is σ = 42986764800. Its totient is φ = 8142460832.

The previous prime is 20413019981. The next prime is 20413020029. The reversal of 20413020020 is 2002031402.

It is a junction number, because it is equal to n+sod(n) for n = 20413019977 and 20413020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413020029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414340 + ... + 1428699.

It is an arithmetic number, because the mean of its divisors is an integer number (1791115200).

Almost surely, 220413020020 is an apocalyptic number.

20413020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20413020020 is an abundant number, since it is smaller than the sum of its proper divisors (22573744780).

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

20413020020 is a wasteful number, since it uses less digits than its factorization.

20413020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843407 (or 2843405 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20413020020 its reverse (2002031402), we get a palindrome (22415051422).

The spelling of 20413020020 in words is "twenty billion, four hundred thirteen million, twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 359 718 1436 1795 3590 7180 2843039 5686078 11372156 14215195 28430390 56860780 1020651001 2041302002 4082604004 5103255005 10206510010 20413020020