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122322020 = 2257977419
BaseRepresentation
bin1110100101001…
…11110001100100
322112011121021012
413102213301210
5222303301040
620045441352
73013501652
oct722476144
9275147235
10122322020
1163058387
1234b70258
131c45aac2
1412361dd2
15ab13865
hex74a7c64

122322020 has 24 divisors (see below), whose sum is σ = 260131200. Its totient is φ = 48308832.

The previous prime is 122322017. The next prime is 122322041. The reversal of 122322020 is 20223221.

Adding to 122322020 its reverse (20223221), we get a palindrome (142545241).

It is a junction number, because it is equal to n+sod(n) for n = 122321986 and 122322004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37130 + ... + 40289.

It is an arithmetic number, because the mean of its divisors is an integer number (10838800).

Almost surely, 2122322020 is an apocalyptic number.

122322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122322020 is an abundant number, since it is smaller than the sum of its proper divisors (137809180).

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

122322020 is a wasteful number, since it uses less digits than its factorization.

122322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77507 (or 77505 counting only the distinct ones).

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

The square root of 122322020 is about 11059.9285711979. The cubic root of 122322020 is about 496.4035531643.

The spelling of 122322020 in words is "one hundred twenty-two million, three hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 77419 154838 309676 387095 774190 1548380 6116101 12232202 24464404 30580505 61161010 122322020