102000020340 has 24 divisors (see below), whose sum is σ = 285600057120. Its totient is φ = 27200005408.

The previous prime is 102000020257. The next prime is 102000020357. The reversal of 102000020340 is 43020000201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850000110 + ... + 850000229.

It is an arithmetic number, because the mean of its divisors is an integer number (11900002380).

Almost surely, 2^102000020340 is an apocalyptic number.

102000020340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102000020340 is an abundant number, since it is smaller than the sum of its proper divisors (183600036780).

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

102000020340 is a wasteful number, since it uses less digits than its factorization.

102000020340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700000351 (or 1700000349 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 102000020340 its reverse (43020000201), we get a palindrome (145020020541).

The spelling of 102000020340 in words is "one hundred two billion, twenty thousand, three hundred forty".