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202021030020000 = 2535431717731979
BaseRepresentation
bin101101111011110010101111…
…101110110100001110100000
3222111022000120221011121121010
4231323302233232310032200
5202434403032141120000
61553355102512500520
760360352311121332
oct5573625756641640
9874260527147533
10202021030020000
1159408701850454
121a7a904224a740
138895669719169
1437c5c274bd452
15185506d448d50
hexb7bcafbb43a0

202021030020000 has 960 divisors, whose sum is σ = 694928623656960. Its totient is φ = 51307737600000.

The previous prime is 202021030019999. The next prime is 202021030020041. The reversal of 202021030020000 is 20030120202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 102082379011 + ... + 102082380989.

It is an arithmetic number, because the mean of its divisors is an integer number (723883982976).

Almost surely, 2202021030020000 is an apocalyptic number.

202021030020000 is a gapful number since it is divisible by the number (20) 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 202021030020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347464311828480).

202021030020000 is an abundant number, since it is smaller than the sum of its proper divisors (492907593636960).

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

202021030020000 is a wasteful number, since it uses less digits than its factorization.

202021030020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887 (or 2864 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 202021030020000 its reverse (20030120202), we get a palindrome (202041060140202).

The spelling of 202021030020000 in words is "two hundred two trillion, twenty-one billion, thirty million, twenty thousand".