1302022020 has 48 divisors (see below), whose sum is σ = 3926099520. Its totient is φ = 320497536.

The previous prime is 1302021997. The next prime is 1302022031. The reversal of 1302022020 is 202202031.

It is a super-2 number, since 2×1302022020² = 3390522681129760800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1302021987 and 1302022005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 833850 + ... + 835409.

It is an arithmetic number, because the mean of its divisors is an integer number (81793740).

Almost surely, 2^1302022020 is an apocalyptic number.

1302022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302022020 is an abundant number, since it is smaller than the sum of its proper divisors (2624077500).

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

1302022020 is a wasteful number, since it uses less digits than its factorization.

1302022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669284 (or 1669282 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1302022020 is about 36083.5422318818. The cubic root of 1302022020 is about 1091.9584407697.

Adding to 1302022020 its reverse (202202031), we get a palindrome (1504224051).

The spelling of 1302022020 in words is "one billion, three hundred two million, twenty-two thousand, twenty".