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10432312220 = 22511101469501
BaseRepresentation
bin10011011011101000…
…00111001110011100
3222221001020101000002
421231310013032130
5132331132442340
64443104353432
7516344122301
oct115564071634
928831211002
1010432312220
11447384a640
122031915878
13ca3433315
1470d7390a8
15410d05715
hex26dd0739c

10432312220 has 48 divisors (see below), whose sum is σ = 24136158816. Its totient is φ = 3756000000.

The previous prime is 10432312217. The next prime is 10432312237. The reversal of 10432312220 is 2221323401.

It is a super-2 number, since 2×104323122202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10432312192 and 10432312201.

It is a congruent number.

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, 212531 + ... + 256970.

It is an arithmetic number, because the mean of its divisors is an integer number (502836642).

Almost surely, 210432312220 is an apocalyptic number.

10432312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10432312220 is an abundant number, since it is smaller than the sum of its proper divisors (13703846596).

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

10432312220 is a wasteful number, since it uses less digits than its factorization.

10432312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469622 (or 469620 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10432312220 its reverse (2221323401), we get a palindrome (12653635621).

The spelling of 10432312220 in words is "ten billion, four hundred thirty-two million, three hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 101 110 202 220 404 505 1010 1111 2020 2222 4444 5555 11110 22220 469501 939002 1878004 2347505 4695010 5164511 9390020 10329022 20658044 25822555 47419601 51645110 94839202 103290220 189678404 237098005 474196010 521615611 948392020 1043231222 2086462444 2608078055 5216156110 10432312220