783481020 has 48 divisors (see below), whose sum is σ = 2507140608. Its totient is φ = 179081280.

The previous prime is 783481019. The next prime is 783481021. The reversal of 783481020 is 20184387.

It is an interprime number because it is at equal distance from previous prime (783481019) and next prime (783481021).

It is a super-2 number, since 2×783481020² = 1227685017400480800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (783481021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 932296 + ... + 933135.

It is an arithmetic number, because the mean of its divisors is an integer number (52232096).

Almost surely, 2^783481020 is an apocalyptic number.

783481020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

783481020 is an abundant number, since it is smaller than the sum of its proper divisors (1723659588).

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

783481020 is a wasteful number, since it uses less digits than its factorization.

783481020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865450 (or 1865448 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 783481020 is about 27990.7309658037. The cubic root of 783481020 is about 921.8837505556.

The spelling of 783481020 in words is "seven hundred eighty-three million, four hundred eighty-one thousand, twenty".