20200000102 has 8 divisors (see below), whose sum is σ = 31617391536. Its totient is φ = 9660869592.

The previous prime is 20200000099. The next prime is 20200000127. The reversal of 20200000102 is 20100000202.

It is a happy number.

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, 219565173 + ... + 219565264.

It is an arithmetic number, because the mean of its divisors is an integer number (3952173942).

Almost surely, 2^20200000102 is an apocalyptic number.

20200000102 is a deficient number, since it is larger than the sum of its proper divisors (11417391434).

20200000102 is a wasteful number, since it uses less digits than its factorization.

20200000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439130462.

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 20200000102 its reverse (20100000202), we get a palindrome (40300000304).

The spelling of 20200000102 in words is "twenty billion, two hundred million, one hundred two", and thus it is an aban number.