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20010105032 = 237273440527
BaseRepresentation
bin10010101000101100…
…011111100011001000
31220122112112122202012
4102220230133203020
5311440041330112
613105325555052
71305604041431
oct225054374310
956575478665
1020010105032
118539201095
123a65415a88
131b6b805248
14d7b796488
157c1ab5022
hex4a8b1f8c8

20010105032 has 16 divisors (see below), whose sum is σ = 37570565760. Its totient is φ = 9991287504.

The previous prime is 20010105023. The next prime is 20010105053. The reversal of 20010105032 is 23050101002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20010104998 and 20010105016.

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, 1714448 + ... + 1726079.

It is an arithmetic number, because the mean of its divisors is an integer number (2348160360).

Almost surely, 220010105032 is an apocalyptic number.

It is an amenable number.

20010105032 is a deficient number, since it is larger than the sum of its proper divisors (17560460728).

20010105032 is a wasteful number, since it uses less digits than its factorization.

20010105032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441260 (or 3441256 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

Adding to 20010105032 its reverse (23050101002), we get a palindrome (43060206034).

The spelling of 20010105032 in words is "twenty billion, ten million, one hundred five thousand, thirty-two".

Divisors: 1 2 4 8 727 1454 2908 5816 3440527 6881054 13762108 27524216 2501263129 5002526258 10005052516 20010105032