21320133014000 has 80 divisors (see below), whose sum is σ = 51680642378976. Its totient is φ = 8506785920000.

The previous prime is 21320133013951. The next prime is 21320133014027. The reversal of 21320133014000 is 41033102312.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12489854 + ... + 14093853.

Almost surely, 2^{21320133014000} is an apocalyptic number.

21320133014000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21320133014000 is an abundant number, since it is smaller than the sum of its proper divisors (30360509364976).

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

21320133014000 is a wasteful number, since it uses less digits than its factorization.

21320133014000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26584131 (or 26584115 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21320133014000 its reverse (41033102312), we get a palindrome (21361166116312).

The spelling of 21320133014000 in words is "twenty-one trillion, three hundred twenty billion, one hundred thirty-three million, fourteen thousand".