1246452020 has 24 divisors (see below), whose sum is σ = 2855508768. Its totient is φ = 453255200.

The previous prime is 1246452017. The next prime is 1246452043. The reversal of 1246452020 is 202546421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2832626 + ... + 2833065.

It is an arithmetic number, because the mean of its divisors is an integer number (118979532).

Almost surely, 2^1246452020 is an apocalyptic number.

1246452020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1246452020 is an abundant number, since it is smaller than the sum of its proper divisors (1609056748).

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

1246452020 is a wasteful number, since it uses less digits than its factorization.

1246452020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5665711 (or 5665709 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1246452020 is about 35305.1273896583. The cubic root of 1246452020 is about 1076.1971937204.

Adding to 1246452020 its reverse (202546421), we get a palindrome (1448998441).

The spelling of 1246452020 in words is "one billion, two hundred forty-six million, four hundred fifty-two thousand, twenty".