21470553020010 has 64 divisors (see below), whose sum is σ = 51557047557120. Its totient is φ = 5722401530880.

The previous prime is 21470553019999. The next prime is 21470553020011. The reversal of 21470553020010 is 1002035507412.

It is a super-3 number, since 3×21470553020010³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 21470553020010.

It is not an unprimeable number, because it can be changed into a prime (21470553020011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 567789864 + ... + 567827676.

It is an arithmetic number, because the mean of its divisors is an integer number (805578868080).

Almost surely, 2^{21470553020010} is an apocalyptic number.

21470553020010 is an abundant number, since it is smaller than the sum of its proper divisors (30086494537110).

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

21470553020010 is a wasteful number, since it uses less digits than its factorization.

21470553020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47503.

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 21470553020010 its reverse (1002035507412), we get a palindrome (22472588527422).

The spelling of 21470553020010 in words is "twenty-one trillion, four hundred seventy billion, five hundred fifty-three million, twenty thousand, ten".