1210020342 has 16 divisors (see below), whose sum is σ = 2422317360. Its totient is φ = 402960672.

The previous prime is 1210020337. The next prime is 1210020347. The reversal of 1210020342 is 2430200121.

It is an interprime number because it is at equal distance from previous prime (1210020337) and next prime (1210020347).

It is a super-3 number, since 3×1210020342³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210020347) by changing a digit.

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, 87913 + ... + 100740.

It is an arithmetic number, because the mean of its divisors is an integer number (151394835).

Almost surely, 2^1210020342 is an apocalyptic number.

1210020342 is an abundant number, since it is smaller than the sum of its proper divisors (1212297018).

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

1210020342 is a wasteful number, since it uses less digits than its factorization.

1210020342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189727.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1210020342 is about 34785.3466563149. The cubic root of 1210020342 is about 1065.6082082154.

Adding to 1210020342 its reverse (2430200121), we get a palindrome (3640220463).

The spelling of 1210020342 in words is "one billion, two hundred ten million, twenty thousand, three hundred forty-two".