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20010113322 = 237146972097
BaseRepresentation
bin10010101000101100…
…100001100100101010
31220122112120002010020
4102220230201210222
5311440042111242
613105330101310
71305604104543
oct225054414452
956575502106
1020010113322
118539207341
123a6541a836
131b6b808c54
14d7b7994ca
157c1ab76ec
hex4a8b2192a

20010113322 has 16 divisors (see below), whose sum is σ = 40583892672. Its totient is φ = 6576093440.

The previous prime is 20010113261. The next prime is 20010113329. The reversal of 20010113322 is 22331101002.

It is not an unprimeable number, because it can be changed into a prime (20010113329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23485623 + ... + 23486474.

It is an arithmetic number, because the mean of its divisors is an integer number (2536493292).

Almost surely, 220010113322 is an apocalyptic number.

20010113322 is an abundant number, since it is smaller than the sum of its proper divisors (20573779350).

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

20010113322 is a wasteful number, since it uses less digits than its factorization.

20010113322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46972173.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20010113322 its reverse (22331101002), we get a palindrome (42341214324).

The spelling of 20010113322 in words is "twenty billion, ten million, one hundred thirteen thousand, three hundred twenty-two".

Divisors: 1 2 3 6 71 142 213 426 46972097 93944194 140916291 281832582 3335018887 6670037774 10005056661 20010113322