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1020220210120 = 235231108935011
BaseRepresentation
bin11101101100010011101…
…11001111101111001000
310121112100220022112020011
432312021313033233020
5113203402333210440
62100403243441304
7133465002462646
oct16661167175710
93545326275204
101020220210120
11363744791051
12145885826234
137528b485707
1437543a92196
151b8119ce9ea
hexed89dcfbc8

1020220210120 has 32 divisors (see below), whose sum is σ = 2395299625920. Its totient is φ = 390345123520.

The previous prime is 1020220210073. The next prime is 1020220210153. The reversal of 1020220210120 is 210120220201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020220210120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554466586 + ... + 554468425.

It is an arithmetic number, because the mean of its divisors is an integer number (74853113310).

Almost surely, 21020220210120 is an apocalyptic number.

1020220210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020220210120 is an abundant number, since it is smaller than the sum of its proper divisors (1375079415800).

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

1020220210120 is a wasteful number, since it uses less digits than its factorization.

1020220210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108935045 (or 1108935041 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1020220210120 its reverse (210120220201), we get a palindrome (1230340430321).

The spelling of 1020220210120 in words is "one trillion, twenty billion, two hundred twenty million, two hundred ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 1108935011 2217870022 4435740044 5544675055 8871480088 11089350110 22178700220 25505505253 44357400440 51011010506 102022021012 127527526265 204044042024 255055052530 510110105060 1020220210120