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10220211222020 = 2251787285960023
BaseRepresentation
bin1001010010111001010000…
…0011110011011000000100
31100012001011002111101201022
42110232110003303120010
52314421443033101040
633423033351450312
72103246235011662
oct224562403633004
940161132441638
1010220211222020
113290404881498
1211908b4086998
135919b9838467
14274937599c32
1512acb79576b5
hex94b940f3604

10220211222020 has 24 divisors (see below), whose sum is σ = 21474453962304. Its totient is φ = 4085796794336.

The previous prime is 10220211222017. The next prime is 10220211222041. The reversal of 10220211222020 is 2022211202201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10220211222020.

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, 142944272 + ... + 143015751.

It is an arithmetic number, because the mean of its divisors is an integer number (894768915096).

Almost surely, 210220211222020 is an apocalyptic number.

10220211222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220211222020 is an abundant number, since it is smaller than the sum of its proper divisors (11254242740284).

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

10220211222020 is a wasteful number, since it uses less digits than its factorization.

10220211222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285961819 (or 285961817 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10220211222020 its reverse (2022211202201), we get a palindrome (12242422424221).

The spelling of 10220211222020 in words is "ten trillion, two hundred twenty billion, two hundred eleven million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 1787 3574 7148 8935 17870 35740 285960023 571920046 1143840092 1429800115 2859600230 5719200460 511010561101 1022021122202 2044042244404 2555052805505 5110105611010 10220211222020