1020221142204 has 48 divisors (see below), whose sum is σ = 2600357348736. Its totient is φ = 308749492800.

The previous prime is 1020221142203. The next prime is 1020221142217. The reversal of 1020221142204 is 4022411220201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020221142203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5005062 + ... + 5204909.

It is an arithmetic number, because the mean of its divisors is an integer number (54174111432).

Almost surely, 2^{1020221142204} is an apocalyptic number.

It is an amenable number.

1020221142204 is an abundant number, since it is smaller than the sum of its proper divisors (1580136206532).

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

1020221142204 is a wasteful number, since it uses less digits than its factorization.

1020221142204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210746 (or 10210744 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1020221142204 its reverse (4022411220201), we get a palindrome (5042632362405).

The spelling of 1020221142204 in words is "one trillion, twenty billion, two hundred twenty-one million, one hundred forty-two thousand, two hundred four".