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20413322321140 = 2257145809445151
BaseRepresentation
bin1001010010000110110001…
…10100110101110011110100
32200021111100112022220121001
410221003120310311303310
510133422441003234030
6111225430101533044
74204546104544210
oct451033064656364
980244315286531
1020413322321140
1165602723044a1
1223582a4414184
13b50c77a08628
1450801d8cd940
15255ee614dcca
hex1290d8d35cf4

20413322321140 has 24 divisors (see below), whose sum is σ = 48991973571072. Its totient is φ = 6998853367200.

The previous prime is 20413322321107. The next prime is 20413322321207. The reversal of 20413322321140 is 4112322331402.

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 = 20413322321099 and 20413322321108.

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, 72904722436 + ... + 72904722715.

It is an arithmetic number, because the mean of its divisors is an integer number (2041332232128).

Almost surely, 220413322321140 is an apocalyptic number.

20413322321140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20413322321140 is an abundant number, since it is smaller than the sum of its proper divisors (28578651249932).

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

20413322321140 is a wasteful number, since it uses less digits than its factorization.

20413322321140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145809445167 (or 145809445165 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20413322321140 its reverse (4112322331402), we get a palindrome (24525644652542).

The spelling of 20413322321140 in words is "twenty trillion, four hundred thirteen billion, three hundred twenty-two million, three hundred twenty-one thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 145809445151 291618890302 583237780604 729047225755 1020666116057 1458094451510 2041332232114 2916188903020 4082664464228 5103330580285 10206661160570 20413322321140