1342666020 has 24 divisors (see below), whose sum is σ = 3759465024. Its totient is φ = 358044256.

The previous prime is 1342666007. The next prime is 1342666021. The reversal of 1342666020 is 206662431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1342666021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11188824 + ... + 11188943.

It is an arithmetic number, because the mean of its divisors is an integer number (156644376).

Almost surely, 2^1342666020 is an apocalyptic number.

1342666020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342666020 is an abundant number, since it is smaller than the sum of its proper divisors (2416799004).

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

1342666020 is a wasteful number, since it uses less digits than its factorization.

1342666020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22377779 (or 22377777 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1342666020 is about 36642.4073990779. The cubic root of 1342666020 is about 1103.2044356336.

The spelling of 1342666020 in words is "one billion, three hundred forty-two million, six hundred sixty-six thousand, twenty".