1023448620 has 48 divisors (see below), whose sum is σ = 3034227168. Its totient is φ = 256865280.

The previous prime is 1023448609. The next prime is 1023448627. The reversal of 1023448620 is 268443201.

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 (1023448627) 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, 500671 + ... + 502710.

It is an arithmetic number, because the mean of its divisors is an integer number (63213066).

Almost surely, 2^1023448620 is an apocalyptic number.

1023448620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023448620 is an abundant number, since it is smaller than the sum of its proper divisors (2010778548).

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

1023448620 is a wasteful number, since it uses less digits than its factorization.

1023448620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003410 (or 1003408 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 1023448620 is about 31991.3835274438. The cubic root of 1023448620 is about 1007.7558972092.

The spelling of 1023448620 in words is "one billion, twenty-three million, four hundred forty-eight thousand, six hundred twenty".