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20000010023020 = 2251675988026953
BaseRepresentation
bin1001000110000100111010…
…11111100011000001101100
32121210222112002022201122201
410203002131133203001230
510110140010031214040
6110311513332551244
74132644615145336
oct443023537430154
977728462281581
1020000010023020
116410a58293525
1222b0176a82524
13b20cba3b2c11
144d201170a456
1524a3a5bb5a9a
hex12309d7e306c

20000010023020 has 24 divisors (see below), whose sum is σ = 42251518187424. Its totient is φ = 7952099792256.

The previous prime is 20000010022981. The next prime is 20000010023027. The reversal of 20000010023020 is 2032001000002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20000010022988 and 20000010023006.

It is not an unprimeable number, because it can be changed into a prime (20000010023027) 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, 2994010137 + ... + 2994016816.

It is an arithmetic number, because the mean of its divisors is an integer number (1760479924476).

Almost surely, 220000010023020 is an apocalyptic number.

20000010023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000010023020 is an abundant number, since it is smaller than the sum of its proper divisors (22251508164404).

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

20000010023020 is a wasteful number, since it uses less digits than its factorization.

20000010023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5988027129 (or 5988027127 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20000010023020 its reverse (2032001000002), we get a palindrome (22032011023022).

The spelling of 20000010023020 in words is "twenty trillion, ten million, twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 167 334 668 835 1670 3340 5988026953 11976053906 23952107812 29940134765 59880269530 119760539060 1000000501151 2000001002302 4000002004604 5000002505755 10000005011510 20000010023020