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1020668932 = 221572835743
BaseRepresentation
bin111100110101100…
…010110000000100
32122010120100120001
4330311202300010
54042242401212
6245140251044
734202354113
oct7465426004
92563510501
101020668932
11484160748
122459a0a84
131335c5c1a
14997abc7a
155e915657
hex3cd62c04

1020668932 has 24 divisors (see below), whose sum is σ = 1804213376. Its totient is φ = 505204128.

The previous prime is 1020668927. The next prime is 1020668983. The reversal of 1020668932 is 2398660201.

It is a junction number, because it is equal to n+sod(n) for n = 1020668891 and 1020668900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174853 + ... + 180595.

Almost surely, 21020668932 is an apocalyptic number.

It is an amenable number.

1020668932 is a deficient number, since it is larger than the sum of its proper divisors (783544444).

1020668932 is a wasteful number, since it uses less digits than its factorization.

1020668932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6187 (or 6185 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1020668932 is about 31947.9096655791. The cubic root of 1020668932 is about 1006.8427144606.

The spelling of 1020668932 in words is "one billion, twenty million, six hundred sixty-eight thousand, nine hundred thirty-two".

Divisors: 1 2 4 157 283 314 566 628 1132 5743 11486 22972 44431 88862 177724 901651 1625269 1803302 3250538 3606604 6501076 255167233 510334466 1020668932