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32111223102020 = 2251605561155101
BaseRepresentation
bin1110100110100011110100…
…00010111101101001000100
311012200210200100102121101002
413103101322002331221010
513202102241103231040
6152143405305152432
76522650020561646
oct723217202755104
9135623610377332
1032111223102020
11a260325337667
12372745378b718
1314bc0c96c300a
147d0297644896
153aa44744ea15
hex1d347a0bda44

32111223102020 has 12 divisors (see below), whose sum is σ = 67433568514284. Its totient is φ = 12844489240800.

The previous prime is 32111223102017. The next prime is 32111223102037. The reversal of 32111223102020 is 2020132211123.

It can be written as a sum of positive squares in 2 ways, for example, as 16826141473024 + 15285081628996 = 4101968^2 + 3909614^2 .

It is a super-2 number, since 2×321112231020202 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1605561155101 = 32111223102020 / (3 + 2 + 1 + 1 + 1 + 2 + 2 + 3 + 1 + 0 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 32111223101983 and 32111223102001.

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, 802780577531 + ... + 802780577570.

It is an arithmetic number, because the mean of its divisors is an integer number (5619464042857).

Almost surely, 232111223102020 is an apocalyptic number.

It is an amenable number.

32111223102020 is an abundant number, since it is smaller than the sum of its proper divisors (35322345412264).

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

32111223102020 is a wasteful number, since it uses less digits than its factorization.

32111223102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605561155110 (or 1605561155108 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 32111223102020 its reverse (2020132211123), we get a palindrome (34131355313143).

The spelling of 32111223102020 in words is "thirty-two trillion, one hundred eleven billion, two hundred twenty-three million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 1605561155101 3211122310202 6422244620404 8027805775505 16055611551010 32111223102020