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2120000112020 = 225739738143219
BaseRepresentation
bin11110110110011001110…
…110101000010110010100
321111200002110020011010102
4132312121312220112110
5234213230012041040
64301525315513232
7306110402425040
oct36663166502624
97450073204112
102120000112020
117480a588208a
122a2a538b8818
13124bb878a70b
1474873c25020
153a22cea6515
hex1ed99da8594

2120000112020 has 48 divisors (see below), whose sum is σ = 5100816524160. Its totient is φ = 725026287744.

The previous prime is 2120000112007. The next prime is 2120000112023. The reversal of 2120000112020 is 202110000212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2120000111992 and 2120000112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120000112023) 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, 19016030 + ... + 19127189.

It is an arithmetic number, because the mean of its divisors is an integer number (106267010920).

Almost surely, 22120000112020 is an apocalyptic number.

2120000112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120000112020 is an abundant number, since it is smaller than the sum of its proper divisors (2980816412140).

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

2120000112020 is a wasteful number, since it uses less digits than its factorization.

2120000112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38143632 (or 38143630 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2120000112020 its reverse (202110000212), we get a palindrome (2322110112232).

The spelling of 2120000112020 in words is "two trillion, one hundred twenty billion, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 397 794 1588 1985 2779 3970 5558 7940 11116 13895 27790 55580 38143219 76286438 152572876 190716095 267002533 381432190 534005066 762864380 1068010132 1335012665 2670025330 5340050660 15142857943 30285715886 60571431772 75714289715 106000005601 151428579430 212000011202 302857158860 424000022404 530000028005 1060000056010 2120000112020