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20282155476 = 22311523293791
BaseRepresentation
bin10010111000111010…
…010010000111010100
31221100111110020210120
4102320322102013110
5313014212433401
613152324551540
71315416322422
oct227072220724
957314406716
1020282155476
118668825670
123b205525b0
131bb2c9843b
14da5972112
157da902836
hex4b8e921d4

20282155476 has 48 divisors (see below), whose sum is σ = 51726194688. Its totient is φ = 6134335200.

The previous prime is 20282155463. The next prime is 20282155499. The reversal of 20282155476 is 67455128202.

It is a super-2 number, since 2×202821554762 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77860 + ... + 215931.

It is an arithmetic number, because the mean of its divisors is an integer number (1077629056).

Almost surely, 220282155476 is an apocalyptic number.

It is an amenable number.

20282155476 is an abundant number, since it is smaller than the sum of its proper divisors (31444039212).

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

20282155476 is a wasteful number, since it uses less digits than its factorization.

20282155476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294332 (or 294330 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 20282155476 in words is "twenty billion, two hundred eighty-two million, one hundred fifty-five thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 523 1046 1569 2092 3138 5753 6276 11506 17259 23012 34518 69036 293791 587582 881373 1175164 1762746 3231701 3525492 6463402 9695103 12926804 19390206 38780412 153652693 307305386 460958079 614610772 921916158 1690179623 1843832316 3380359246 5070538869 6760718492 10141077738 20282155476