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1020000210020 = 2251119244019189
BaseRepresentation
bin11101101011111001100…
…00000000110001100100
310121111210120100100211022
432311330300000301210
5113202430023210040
62100325344230312
7133456361506151
oct16657460006144
93544716310738
101020000210020
11363641588790
1214582400b398
1375254a17c3c
1437522785228
151b7ec5246b5
hexed7cc00c64

1020000210020 has 48 divisors (see below), whose sum is σ = 2459713435200. Its totient is φ = 351387630720.

The previous prime is 1020000210007. The next prime is 1020000210043. The reversal of 1020000210020 is 200120000201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122005415 + ... + 122013774.

It is an arithmetic number, because the mean of its divisors is an integer number (51244029900).

Almost surely, 21020000210020 is an apocalyptic number.

1020000210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020000210020 is an abundant number, since it is smaller than the sum of its proper divisors (1439713225180).

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

1020000210020 is a wasteful number, since it uses less digits than its factorization.

1020000210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244019228 (or 244019226 counting only the distinct ones).

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

Adding to 1020000210020 its reverse (200120000201), we get a palindrome (1220120210221).

The spelling of 1020000210020 in words is "one trillion, twenty billion, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 11 19 20 22 38 44 55 76 95 110 190 209 220 380 418 836 1045 2090 4180 244019189 488038378 976076756 1220095945 2440191890 2684211079 4636364591 4880383780 5368422158 9272729182 10736844316 13421055395 18545458364 23181822955 26842110790 46363645910 51000010501 53684221580 92727291820 102000021002 204000042004 255000052505 510000105010 1020000210020