1420229099520 has 1920 divisors, whose sum is σ = 6522782515200. Its totient is φ = 284531097600.

The previous prime is 1420229099507. The next prime is 1420229099521. The reversal of 1420229099520 is 259909220241.

It is a happy number.

1420229099520 is a `hidden beast` number, since 1 + 420 + 2 + 2 + 90 + 99 + 52 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1420229099521) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5279661946 + ... + 5279662214.

It is an arithmetic number, because the mean of its divisors is an integer number (3397282560).

Almost surely, 2^{1420229099520} is an apocalyptic number.

1420229099520 is a gapful number since it is divisible by the number (10) 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 1420229099520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3261391257600).

1420229099520 is an abundant number, since it is smaller than the sum of its proper divisors (5102553415680).

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

1420229099520 is a wasteful number, since it uses less digits than its factorization.

1420229099520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 1420229099520 in words is "one trillion, four hundred twenty billion, two hundred twenty-nine million, ninety-nine thousand, five hundred twenty".