1018975020 has 48 divisors (see below), whose sum is σ = 3260721408. Its totient is φ = 232908480.

The previous prime is 1018975007. The next prime is 1018975033. The reversal of 1018975020 is 205798101.

It is an interprime number because it is at equal distance from previous prime (1018975007) and next prime (1018975033).

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, 1212646 + ... + 1213485.

It is an arithmetic number, because the mean of its divisors is an integer number (67931696).

Almost surely, 2^1018975020 is an apocalyptic number.

1018975020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1018975020 is an abundant number, since it is smaller than the sum of its proper divisors (2241746388).

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

1018975020 is a wasteful number, since it uses less digits than its factorization.

1018975020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426150 (or 2426148 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 1018975020 is about 31921.3881277115. The cubic root of 1018975020 is about 1006.2854174229.

The spelling of 1018975020 in words is "one billion, eighteen million, nine hundred seventy-five thousand, twenty".