1067220020 has 24 divisors (see below), whose sum is σ = 2251221504. Its totient is φ = 424971936.

The previous prime is 1067219969. The next prime is 1067220029. The reversal of 1067220020 is 200227601.

It is a super-2 number, since 2×1067220020² = 2277917142177600800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1067219974 and 1067220001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1067220029) 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, 115184 + ... + 124103.

It is an arithmetic number, because the mean of its divisors is an integer number (93800896).

Almost surely, 2^1067220020 is an apocalyptic number.

1067220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1067220020 is an abundant number, since it is smaller than the sum of its proper divisors (1184001484).

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

1067220020 is a wasteful number, since it uses less digits than its factorization.

1067220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239519 (or 239517 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1067220020 is about 32668.3335969253. Note that the first 3 decimals coincide. The cubic root of 1067220020 is about 1021.9225625971.

Adding to 1067220020 its reverse (200227601), we get a palindrome (1267447621).

The spelling of 1067220020 in words is "one billion, sixty-seven million, two hundred twenty thousand, twenty".