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20119680000 = 21032547499
BaseRepresentation
bin10010101111001110…
…011111010000000000
31220221011201122100100
4102233032133100000
5312201114230000
613124242322400
71311404313120
oct225716372000
956834648310
1020119680000
118595042412
123a96059400
131b8841bcc4
14d8c15ac80
157cb50ba00
hex4af39f400

20119680000 has 660 divisors, whose sum is σ = 83132764000. Its totient is φ = 4589568000.

The previous prime is 20119679971. The next prime is 20119680067. The reversal of 20119680000 is 8691102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 40319751 + ... + 40320249.

Almost surely, 220119680000 is an apocalyptic number.

20119680000 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 20119680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41566382000).

20119680000 is an abundant number, since it is smaller than the sum of its proper divisors (63013084000).

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

20119680000 is an equidigital number, since it uses as much as digits as its factorization.

20119680000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 20119680000 in words is "twenty billion, one hundred nineteen million, six hundred eighty thousand".