1980517030 has 8 divisors (see below), whose sum is σ = 3564930672. Its totient is φ = 792206808.

The previous prime is 1980516971. The next prime is 1980517087. The reversal of 1980517030 is 307150891.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1980517030² = 7844895412240041800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99025842 + ... + 99025861.

It is an arithmetic number, because the mean of its divisors is an integer number (445616334).

Almost surely, 2^1980517030 is an apocalyptic number.

1980517030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1980517030 is a deficient number, since it is larger than the sum of its proper divisors (1584413642).

1980517030 is a wasteful number, since it uses less digits than its factorization.

1980517030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198051710.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 1980517030 is about 44503.0002359391. Note that the first 3 decimals coincide. The cubic root of 1980517030 is about 1255.8165255108.

The spelling of 1980517030 in words is "one billion, nine hundred eighty million, five hundred seventeen thousand, thirty".