1302200020 has 24 divisors (see below), whose sum is σ = 2983222368. Its totient is φ = 473527200.

The previous prime is 1302199973. The next prime is 1302200041. The reversal of 1302200020 is 200022031.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 2959326 + ... + 2959765.

It is an arithmetic number, because the mean of its divisors is an integer number (124300932).

Almost surely, 2^1302200020 is an apocalyptic number.

1302200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302200020 is an abundant number, since it is smaller than the sum of its proper divisors (1681022348).

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

1302200020 is a wasteful number, since it uses less digits than its factorization.

1302200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5919111 (or 5919109 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1302200020 is about 36086.0086460113. The cubic root of 1302200020 is about 1092.0081992076.

Adding to 1302200020 its reverse (200022031), we get a palindrome (1502222051).

The spelling of 1302200020 in words is "one billion, three hundred two million, two hundred thousand, twenty".