21620473701230 has 16 divisors (see below), whose sum is σ = 38917473951024. Its totient is φ = 8648051416320.

The previous prime is 21620473701223. The next prime is 21620473701263. The reversal of 21620473701230 is 3210737402612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16599116 + ... + 17854175.

It is an arithmetic number, because the mean of its divisors is an integer number (2432342121939).

Almost surely, 2^{21620473701230} is an apocalyptic number.

21620473701230 is a deficient number, since it is larger than the sum of its proper divisors (17297000249794).

21620473701230 is a wasteful number, since it uses less digits than its factorization.

21620473701230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34516051.

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 21620473701230 in words is "twenty-one trillion, six hundred twenty billion, four hundred seventy-three million, seven hundred one thousand, two hundred thirty".