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222020111120020 = 22543258162919907
BaseRepresentation
bin110010011110110100010101…
…110110110011011010010100
31002010002220201021120011110021
4302132310111312303122110
5213100034141421320040
62104110344143434524
764523265216466453
oct6236642566633224
91063086637504407
10222020111120020
1164819222747314
1220a98b99bb5a44
1396b65395199a5
143cb7b8b6a0b9a
151aa03bc7bd24a
hexc9ed15db3694

222020111120020 has 24 divisors (see below), whose sum is σ = 477085075989984. Its totient is φ = 86742741088416.

The previous prime is 222020111119987. The next prime is 222020111120069. The reversal of 222020111120020 is 20021111020222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222020111119976 and 222020111120003.

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, 129081459094 + ... + 129081460813.

It is an arithmetic number, because the mean of its divisors is an integer number (19878544832916).

Almost surely, 2222020111120020 is an apocalyptic number.

222020111120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222020111120020 is an abundant number, since it is smaller than the sum of its proper divisors (255064964869964).

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

222020111120020 is a wasteful number, since it uses less digits than its factorization.

222020111120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258162919959 (or 258162919957 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222020111120020 its reverse (20021111020222), we get a palindrome (242041222140242).

The spelling of 222020111120020 in words is "two hundred twenty-two trillion, twenty billion, one hundred eleven million, one hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 258162919907 516325839814 1032651679628 1290814599535 2581629199070 5163258398140 11101005556001 22202011112002 44404022224004 55505027780005 111010055560010 222020111120020