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202103020220 = 22547215003213
BaseRepresentation
bin1011110000111001000…
…1110101101010111100
3201022122220111011220012
42330032101311222330
511302401333121340
6232502253042352
720413205220203
oct2741621655274
9638586434805
10202103020220
1178790982442
1233203a863b8
131609ac2693a
149ad351623a
1553ccdd6565
hex2f0e475abc

202103020220 has 24 divisors (see below), whose sum is σ = 433446479424. Its totient is φ = 79121182016.

The previous prime is 202103020183. The next prime is 202103020247. The reversal of 202103020220 is 22020301202.

It is a junction number, because it is equal to n+sod(n) for n = 202103020195 and 202103020204.

It is a congruent number.

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, 107500667 + ... + 107502546.

It is an arithmetic number, because the mean of its divisors is an integer number (18060269976).

Almost surely, 2202103020220 is an apocalyptic number.

202103020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202103020220 is an abundant number, since it is smaller than the sum of its proper divisors (231343459204).

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

202103020220 is a wasteful number, since it uses less digits than its factorization.

202103020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215003269 (or 215003267 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 202103020220 its reverse (22020301202), we get a palindrome (224123321422).

The spelling of 202103020220 in words is "two hundred two billion, one hundred three million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 215003213 430006426 860012852 1075016065 2150032130 4300064260 10105151011 20210302022 40420604044 50525755055 101051510110 202103020220