1020213134434 has 16 divisors (see below), whose sum is σ = 1662621001272. Its totient is φ = 466700629248.

The previous prime is 1020213134429. The next prime is 1020213134471. The reversal of 1020213134434 is 4344313120201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 709969704409 + 310243430025 = 842597^2 + 556995^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173620809 + ... + 173626684.

Almost surely, 2^{1020213134434} is an apocalyptic number.

1020213134434 is a deficient number, since it is larger than the sum of its proper divisors (642407866838).

1020213134434 is a wasteful number, since it uses less digits than its factorization.

1020213134434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347247621.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1020213134434 its reverse (4344313120201), we get a palindrome (5364526254635).

The spelling of 1020213134434 in words is "one trillion, twenty billion, two hundred thirteen million, one hundred thirty-four thousand, four hundred thirty-four".