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30220130212020 = 2232571013495231301
BaseRepresentation
bin1101101111100001011000…
…01000000101100010110100
310222000000102211112011112200
412313300230020011202310
512430111311313241040
6144134534113344500
76236221666333050
oct667605410054264
9128000384464480
1030220130212020
1196a1315738511
123480a44568130
1313b29910c7188
1476693ab6ac60
1537616563a630
hex1b7c2c2058b4

30220130212020 has 576 divisors, whose sum is σ = 106388115724800. Its totient is φ = 6801200640000.

The previous prime is 30220130211979. The next prime is 30220130212021. The reversal of 30220130212020 is 2021203102203.

30220130212020 is a `hidden beast` number, since 3 + 0 + 220 + 1 + 302 + 120 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30220130211984 and 30220130212002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220130212021) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 23228385370 + ... + 23228386670.

It is an arithmetic number, because the mean of its divisors is an integer number (184701589800).

Almost surely, 230220130212020 is an apocalyptic number.

30220130212020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30220130212020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53194057862400).

30220130212020 is an abundant number, since it is smaller than the sum of its proper divisors (76167985512780).

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

30220130212020 is a wasteful number, since it uses less digits than its factorization.

30220130212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296 (or 2291 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30220130212020 its reverse (2021203102203), we get a palindrome (32241333314223).

The spelling of 30220130212020 in words is "thirty trillion, two hundred twenty billion, one hundred thirty million, two hundred twelve thousand, twenty".