1020222135415 has 64 divisors (see below), whose sum is σ = 1525890908160. Its totient is φ = 639759697920.

The previous prime is 1020222135403. The next prime is 1020222135451. The reversal of 1020222135415 is 5145312220201.

It is a happy number.

It is not a de Polignac number, because 1020222135415 - 2⁷ = 1020222135287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1133919 + ... + 1823791.

It is an arithmetic number, because the mean of its divisors is an integer number (23842045440).

Almost surely, 2^{1020222135415} is an apocalyptic number.

1020222135415 is a deficient number, since it is larger than the sum of its proper divisors (505668772745).

1020222135415 is a wasteful number, since it uses less digits than its factorization.

1020222135415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689992.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 1020222135415 its reverse (5145312220201), we get a palindrome (6165534355616).

The spelling of 1020222135415 in words is "one trillion, twenty billion, two hundred twenty-two million, one hundred thirty-five thousand, four hundred fifteen".