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1020020212000 = 2553255005053
BaseRepresentation
bin11101101011111011111…
…00010100000100100000
310121111211221222120101101
432311331330110010200
5113203000133241000
62100331341044144
7133460023514026
oct16657574240440
93544757876341
101020020212000
113636518aa549
1214582a856654
1375258bcc22a
14375252b0716
151b7ee175e6a
hexed7df14120

1020020212000 has 48 divisors (see below), whose sum is σ = 2506189670712. Its totient is φ = 408008083200.

The previous prime is 1020020211961. The next prime is 1020020212009. The reversal of 1020020212000 is 2120200201.

1020020212000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 277438172176 + 742582039824 = 526724^2 + 861732^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1020020212009) 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, 127498527 + ... + 127506526.

Almost surely, 21020020212000 is an apocalyptic number.

1020020212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020020212000 is an abundant number, since it is smaller than the sum of its proper divisors (1486169458712).

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

1020020212000 is an equidigital number, since it uses as much as digits as its factorization.

1020020212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255005078 (or 255005060 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1020020212000 its reverse (2120200201), we get a palindrome (1022140412201).

The spelling of 1020020212000 in words is "one trillion, twenty billion, twenty million, two hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 255005053 510010106 1020020212 1275025265 2040040424 2550050530 4080080848 5100101060 6375126325 8160161696 10200202120 12750252650 20400404240 25500505300 31875631625 40800808480 51001010600 63751263250 102002021200 127502526500 204004042400 255005053000 510010106000 1020020212000