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20423374110720 = 2153557219229
BaseRepresentation
bin1001010010011001011111…
…11101011000000000000000
32200022110022001112201200000
410221030233331120000000
510134104032233020340
6111234211334400000
74205353151416200
oct451145775300000
980273261481600
1020423374110720
116564560281809
12235a22a800000
13b51bba359909
145086d4894400
152563d383bd30
hex12932ff58000

20423374110720 has 3456 divisors, whose sum is σ = 93249609944400. Its totient is φ = 4270004895744.

The previous prime is 20423374110677. The next prime is 20423374110751. The reversal of 20423374110720 is 2701147332402.

20423374110720 is a `hidden beast` number, since 2 + 0 + 4 + 233 + 7 + 411 + 0 + 7 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3456).

It is a super-2 number, since 2×204233741107202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 704254279666 + ... + 704254279694.

Almost surely, 220423374110720 is an apocalyptic number.

20423374110720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20423374110720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46624804972200).

20423374110720 is an abundant number, since it is smaller than the sum of its proper divisors (72826235833680).

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

20423374110720 is an frugal number, since it uses more digits than its factorization.

20423374110720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 20423374110720 in words is "twenty trillion, four hundred twenty-three billion, three hundred seventy-four million, one hundred ten thousand, seven hundred twenty".