221020023013302 has 16 divisors (see below), whose sum is σ = 442072061839872. Its totient is φ = 73668005035560.

The previous prime is 221020023013193. The next prime is 221020023013319. The reversal of 221020023013302 is 203310320020122.

It is a happy number.

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, 1333902474 + ... + 1334068157.

It is an arithmetic number, because the mean of its divisors is an integer number (27629503864992).

Almost surely, 2^{221020023013302} is an apocalyptic number.

221020023013302 is an abundant number, since it is smaller than the sum of its proper divisors (221052038826570).

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

221020023013302 is a wasteful number, since it uses less digits than its factorization.

221020023013302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667984443.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 221020023013302 its reverse (203310320020122), we get a palindrome (424330343033424).

The spelling of 221020023013302 in words is "two hundred twenty-one trillion, twenty billion, twenty-three million, thirteen thousand, three hundred two".