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10222102020 = 22351313105259
BaseRepresentation
bin10011000010100100…
…01110011000000100
3222101101200120211010
421201102032120010
5131413324231040
64410155042220
7511212301464
oct114122163004
928341616733
1010222102020
1143761235a9
121b93440370
13c6ba128a0
146cd859ba4
153ec630e80
hex26148e604

10222102020 has 48 divisors (see below), whose sum is σ = 30823571520. Its totient is φ = 2516209536.

The previous prime is 10222102019. The next prime is 10222102043. The reversal of 10222102020 is 2020122201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10222101987 and 10222102005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6551850 + ... + 6553409.

It is an arithmetic number, because the mean of its divisors is an integer number (642157740).

Almost surely, 210222102020 is an apocalyptic number.

10222102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10222102020 is an abundant number, since it is smaller than the sum of its proper divisors (20601469500).

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

10222102020 is a wasteful number, since it uses less digits than its factorization.

10222102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13105284 (or 13105282 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10222102020 its reverse (2020122201), we get a palindrome (12242224221).

The spelling of 10222102020 in words is "ten billion, two hundred twenty-two million, one hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 13105259 26210518 39315777 52421036 65526295 78631554 131052590 157263108 170368367 196578885 262105180 340736734 393157770 511105101 681473468 786315540 851841835 1022210202 1703683670 2044420404 2555525505 3407367340 5111051010 10222102020