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2220233001021 = 327208716886341
BaseRepresentation
bin100000010011110000001…
…100110000100000111101
321212020210212002111000200
4200103300030300200331
5242334014122013041
64415543322314113
7316256305061160
oct40236014604075
97766725074020
102220233001021
11786660714132
122ba367658939
131314a05cb3a9
1479661b89ad7
153cb478951b6
hex204f033083d

2220233001021 has 24 divisors (see below), whose sum is σ = 3666902937984. Its totient is φ = 1268096588640.

The previous prime is 2220233000983. The next prime is 2220233001023. The reversal of 2220233001021 is 1201003320222.

It is a de Polignac number, because none of the positive numbers 2k-2220233001021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220233000985 and 2220233001003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220233001023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8311690 + ... + 8574651.

It is an arithmetic number, because the mean of its divisors is an integer number (152787622416).

Almost surely, 22220233001021 is an apocalyptic number.

2220233001021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2220233001021 is a deficient number, since it is larger than the sum of its proper divisors (1446669936963).

2220233001021 is a wasteful number, since it uses less digits than its factorization.

2220233001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16888441 (or 16888438 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2220233001021 its reverse (1201003320222), we get a palindrome (3421236321243).

The spelling of 2220233001021 in words is "two trillion, two hundred twenty billion, two hundred thirty-three million, one thousand, twenty-one".

Divisors: 1 3 7 9 21 63 2087 6261 14609 18783 43827 131481 16886341 50659023 118204387 151977069 354613161 1063839483 35241793667 105725381001 246692555669 317176143003 740077667007 2220233001021