1020220212194 has 8 divisors (see below), whose sum is σ = 1531186692048. Its totient is φ = 509824648180.

The previous prime is 1020220212161. The next prime is 1020220212227. The reversal of 1020220212194 is 4912120220201.

It is an interprime number because it is at equal distance from previous prime (1020220212161) and next prime (1020220212227).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142724492 + ... + 142731639.

It is an arithmetic number, because the mean of its divisors is an integer number (191398336506).

Almost surely, 2^{1020220212194} is an apocalyptic number.

1020220212194 is a deficient number, since it is larger than the sum of its proper divisors (510966479854).

1020220212194 is a wasteful number, since it uses less digits than its factorization.

1020220212194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285457920.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 1020220212194 its reverse (4912120220201), we get a palindrome (5932340432395).

The spelling of 1020220212194 in words is "one trillion, twenty billion, two hundred twenty million, two hundred twelve thousand, one hundred ninety-four".