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2020123012 = 22769656737
BaseRepresentation
bin111100001101000…
…1010000110000100
312012210012212210211
41320122022012010
513114122414022
6532242125204
7101026522315
oct17032120604
95183185724
102020123012
11947341356
12484650804
132626a177b
1415241660c
15bc539e77
hex7868a184

2020123012 has 12 divisors (see below), whose sum is σ = 3539817820. Its totient is φ = 1008746496.

The previous prime is 2020122911. The next prime is 2020123099. The reversal of 2020123012 is 2103210202.

It can be written as a sum of positive squares in 2 ways, for example, as 969325956 + 1050797056 = 31134^2 + 32416^2 .

It is a super-2 number, since 2×20201230122 = 8161793967223904288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2020122983 and 2020123001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325293 + ... + 331444.

Almost surely, 22020123012 is an apocalyptic number.

It is an amenable number.

2020123012 is a deficient number, since it is larger than the sum of its proper divisors (1519694808).

2020123012 is a wasteful number, since it uses less digits than its factorization.

2020123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657510 (or 657508 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2020123012 is about 44945.7785781935. The cubic root of 2020123012 is about 1264.1325244602.

Adding to 2020123012 its reverse (2103210202), we get a palindrome (4123333214).

The spelling of 2020123012 in words is "two billion, twenty million, one hundred twenty-three thousand, twelve".

Divisors: 1 2 4 769 1538 3076 656737 1313474 2626948 505030753 1010061506 2020123012