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1022010011020 = 225193083987211
BaseRepresentation
bin11101101111101001000…
…10110010110110001100
310121200222122010211111101
432313310202302312030
5113221034030323040
62101301021232444
7133560234521245
oct16676442626614
93550878124441
101022010011020
11364483009a49
121460a5102724
13754b52143bb
1437673671ccc
151b8b8bc109a
hexedf48b2d8c

1022010011020 has 48 divisors (see below), whose sum is σ = 2259279187200. Its totient is φ = 387271005120.

The previous prime is 1022010011017. The next prime is 1022010011021. The reversal of 1022010011020 is 201100102201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1022010010988 and 1022010011006.

It is not an unprimeable number, because it can be changed into a prime (1022010011021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11675215 + ... + 11762425.

It is an arithmetic number, because the mean of its divisors is an integer number (47068316400).

Almost surely, 21022010011020 is an apocalyptic number.

1022010011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022010011020 is an abundant number, since it is smaller than the sum of its proper divisors (1237269176180).

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

1022010011020 is a wasteful number, since it uses less digits than its factorization.

1022010011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118078 (or 118076 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1022010011020 its reverse (201100102201), we get a palindrome (1223110113221).

The spelling of 1022010011020 in words is "one trillion, twenty-two billion, ten million, eleven thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 30839 61678 87211 123356 154195 174422 308390 348844 436055 585941 616780 872110 1171882 1657009 1744220 2343764 2929705 3314018 5859410 6628036 8285045 11718820 16570090 33140180 2689500029 5379000058 10758000116 13447500145 26895000290 51100500551 53790000580 102201001102 204402002204 255502502755 511005005510 1022010011020