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1020222010992 = 24321254625229
BaseRepresentation
bin11101101100010011111…
…10000111011001110000
310121112101000201000120010
432312021332013121300
5113203403313322432
62100403350214520
7133465024003212
oct16661176073160
93545330630503
101020222010992
11363745801078
12145886354440
137528b966312
14375440005b2
151b811c383cc
hexed89f87670

1020222010992 has 20 divisors (see below), whose sum is σ = 2635573528520. Its totient is φ = 340074003648.

The previous prime is 1020222010991. The next prime is 1020222011057. The reversal of 1020222010992 is 2990102220201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020222010991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10627312567 + ... + 10627312662.

It is an arithmetic number, because the mean of its divisors is an integer number (131778676426).

Almost surely, 21020222010992 is an apocalyptic number.

1020222010992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020222010992 is an abundant number, since it is smaller than the sum of its proper divisors (1615351517528).

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

1020222010992 is a wasteful number, since it uses less digits than its factorization.

1020222010992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21254625240 (or 21254625234 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

It can be divided in two parts, 10202220109 and 92, that added together give a palindrome (10202220201).

The spelling of 1020222010992 in words is "one trillion, twenty billion, two hundred twenty-two million, ten thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 21254625229 42509250458 63763875687 85018500916 127527751374 170037001832 255055502748 340074003664 510111005496 1020222010992