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1020020200000 = 265543831429
BaseRepresentation
bin11101101011111011111…
…00010001001001000000
310121111211221221221220221
432311331330101021000
5113203000132400000
62100331340512424
7133460023434034
oct16657574211100
93544757857827
101020020200000
113636518a152a
1214582a84b714
1375258bc6929
14375252aa1c4
151b7ee17261a
hexed7df11240

1020020200000 has 336 divisors, whose sum is σ = 2621826567360. Its totient is φ = 393442560000.

The previous prime is 1020020199959. The next prime is 1020020200019. The reversal of 1020020200000 is 20200201.

It is a happy number.

1020020200000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 713799286 + ... + 713800714.

It is an arithmetic number, because the mean of its divisors is an integer number (7803055260).

Almost surely, 21020020200000 is an apocalyptic number.

1020020200000 is a gapful number since it is divisible by the number (10) 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 1020020200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310913283680).

1020020200000 is an abundant number, since it is smaller than the sum of its proper divisors (1601806367360).

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

1020020200000 is an frugal number, since it uses more digits than its factorization.

1020020200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592 (or 1562 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 1020020200000 its reverse (20200201), we get a palindrome (1020040400201).

The spelling of 1020020200000 in words is "one trillion, twenty billion, twenty million, two hundred thousand".