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20220700528 = 247694925981
BaseRepresentation
bin10010110101001111…
…110110011101110000
31221012012211000110101
4102311033312131300
5312402444404103
613142251442144
71314042055450
oct226517663560
957165730411
1020220700528
118637070656
123b03a56354
131ba332c172
14d9b735d60
157d5313a1d
hex4b53f6770

20220700528 has 40 divisors (see below), whose sum is σ = 44782575200. Its totient is φ = 8664433920.

The previous prime is 20220700499. The next prime is 20220700531. The reversal of 20220700528 is 82500702202.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 20220700496 and 20220700505.

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, 765298 + ... + 791278.

It is an arithmetic number, because the mean of its divisors is an integer number (1119564380).

Almost surely, 220220700528 is an apocalyptic number.

20220700528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20220700528 is an abundant number, since it is smaller than the sum of its proper divisors (24561874672).

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

20220700528 is a wasteful number, since it uses less digits than its factorization.

20220700528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32945 (or 32939 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The spelling of 20220700528 in words is "twenty billion, two hundred twenty million, seven hundred thousand, five hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 6949 13898 25981 27796 48643 51962 55592 97286 103924 111184 181867 194572 207848 363734 389144 415696 727468 778288 1454936 2909872 180541969 361083938 722167876 1263793783 1444335752 2527587566 2888671504 5055175132 10110350264 20220700528