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1202012020220 = 2251115269357829
BaseRepresentation
bin10001011111011101011…
…111111101110111111100
311020220121021200022211212
4101133131133331313330
5124143210034121340
62320110253103552
7152561656410134
oct21373537756774
94226537608755
101202012020220
114238524a3720
12174b5b487bb8
13894703b030b
144226b831ac4
1521401674a65
hex117dd7fddfc

1202012020220 has 48 divisors (see below), whose sum is σ = 2753888306400. Its totient is φ = 437065432320.

The previous prime is 1202012020219. The next prime is 1202012020247. The reversal of 1202012020220 is 220202102021.

It is a junction number, because it is equal to n+sod(n) for n = 1202012020195 and 1202012020204.

It is a congruent number.

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, 3180266 + ... + 3538094.

It is an arithmetic number, because the mean of its divisors is an integer number (57372673050).

Almost surely, 21202012020220 is an apocalyptic number.

1202012020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202012020220 is an abundant number, since it is smaller than the sum of its proper divisors (1551876286180).

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

1202012020220 is a wasteful number, since it uses less digits than its factorization.

1202012020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373118 (or 373116 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1202012020220 its reverse (220202102021), we get a palindrome (1422214122241).

The spelling of 1202012020220 in words is "one trillion, two hundred two billion, twelve million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 15269 30538 61076 76345 152690 167959 305380 335918 357829 671836 715658 839795 1431316 1679590 1789145 3359180 3578290 3936119 7156580 7872238 15744476 19680595 39361190 78722380 5463691001 10927382002 21854764004 27318455005 54636910010 60100601011 109273820020 120201202022 240402404044 300503005055 601006010110 1202012020220