102020000990 has 8 divisors (see below), whose sum is σ = 183636001800. Its totient is φ = 40808000392.

The previous prime is 102020000941. The next prime is 102020001011. The reversal of 102020000990 is 99000020201.

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

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, 5101000040 + ... + 5101000059.

It is an arithmetic number, because the mean of its divisors is an integer number (22954500225).

Almost surely, 2^102020000990 is an apocalyptic number.

102020000990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102020000990 is a deficient number, since it is larger than the sum of its proper divisors (81616000810).

102020000990 is a wasteful number, since it uses less digits than its factorization.

102020000990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202000106.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 102020000990 in words is "one hundred two billion, twenty million, nine hundred ninety", and thus it is an aban number.