1206420246020 has 96 divisors (see below), whose sum is σ = 2849147360640. Its totient is φ = 425354664960.

The previous prime is 1206420246001. The next prime is 1206420246047. The reversal of 1206420246020 is 206420246021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310934 + ... + 1584146.

It is an arithmetic number, because the mean of its divisors is an integer number (29678618340).

Almost surely, 2^{1206420246020} is an apocalyptic number.

1206420246020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1206420246020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1424573680320).

1206420246020 is an abundant number, since it is smaller than the sum of its proper divisors (1642727114620).

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

1206420246020 is a wasteful number, since it uses less digits than its factorization.

1206420246020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273365 (or 1273363 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Subtracting from 1206420246020 its reverse (206420246021), we obtain a palindrome (999999999999).

The spelling of 1206420246020 in words is "one trillion, two hundred six billion, four hundred twenty million, two hundred forty-six thousand, twenty".