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101120000020 = 225132316909699
BaseRepresentation
bin101111000101100111…
…0001100000000010100
3100200000020010020102221
41132023032030000110
53124043210000040
6114242012312124
710206563550454
oct1361316140024
9320006106387
10101120000020
1139980670756
1217720a72644
1396c6873850
144c73ac7d64
15296c72174a
hex178b38c014

101120000020 has 48 divisors (see below), whose sum is σ = 238629686400. Its totient is φ = 35713282176.

The previous prime is 101119999969. The next prime is 101120000027. The reversal of 101120000020 is 20000021101.

It is a junction number, because it is equal to n+sod(n) for n = 101119999958 and 101120000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101120000027) 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, 8448870 + ... + 8460829.

It is an arithmetic number, because the mean of its divisors is an integer number (4971451800).

Almost surely, 2101120000020 is an apocalyptic number.

101120000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101120000020 is an abundant number, since it is smaller than the sum of its proper divisors (137509686380).

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

101120000020 is a wasteful number, since it uses less digits than its factorization.

101120000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16909744 (or 16909742 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 101120000020 its reverse (20000021101), we get a palindrome (121120021121).

The spelling of 101120000020 in words is "one hundred one billion, one hundred twenty million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 13 20 23 26 46 52 65 92 115 130 230 260 299 460 598 1196 1495 2990 5980 16909699 33819398 67638796 84548495 169096990 219826087 338193980 388923077 439652174 777846154 879304348 1099130435 1555692308 1944615385 2198260870 3889230770 4396521740 5056000001 7778461540 10112000002 20224000004 25280000005 50560000010 101120000020