1220020102 has 8 divisors (see below), whose sum is σ = 2091463056. Its totient is φ = 522865752.

The previous prime is 1220020093. The next prime is 1220020121. The reversal of 1220020102 is 2010200221.

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

It is a congruent number.

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, 43572133 + ... + 43572160.

It is an arithmetic number, because the mean of its divisors is an integer number (261432882).

Almost surely, 2^1220020102 is an apocalyptic number.

1220020102 is a deficient number, since it is larger than the sum of its proper divisors (871442954).

1220020102 is an equidigital number, since it uses as much as digits as its factorization.

1220020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87144302.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1220020102 is about 34928.7861512535. The cubic root of 1220020102 is about 1068.5355988556.

Adding to 1220020102 its reverse (2010200221), we get a palindrome (3230220323).

The spelling of 1220020102 in words is "one billion, two hundred twenty million, twenty thousand, one hundred two".