1020220202104 has 8 divisors (see below), whose sum is σ = 1912912878960. Its totient is φ = 510110101048.

The previous prime is 1020220202087. The next prime is 1020220202107. The reversal of 1020220202104 is 4012020220201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1020220202104² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020220202107) 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 as a sum of consecutive naturals, namely, 63763762624 + ... + 63763762639.

It is an arithmetic number, because the mean of its divisors is an integer number (239114109870).

Almost surely, 2^{1020220202104} is an apocalyptic number.

It is an amenable number.

1020220202104 is a deficient number, since it is larger than the sum of its proper divisors (892692676856).

1020220202104 is a wasteful number, since it uses less digits than its factorization.

1020220202104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127527525269 (or 127527525265 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1020220202104 its reverse (4012020220201), we get a palindrome (5032240422305).

The spelling of 1020220202104 in words is "one trillion, twenty billion, two hundred twenty million, two hundred two thousand, one hundred four".