20147102 has 16 divisors (see below), whose sum is σ = 31236192. Its totient is φ = 9740640.

The previous prime is 20147093. The next prime is 20147107. The reversal of 20147102 is 20174102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20147107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6188 + ... + 8864.

It is an arithmetic number, because the mean of its divisors is an integer number (1952262).

Almost surely, 2^20147102 is an apocalyptic number.

20147102 is a deficient number, since it is larger than the sum of its proper divisors (11089090).

20147102 is a wasteful number, since it uses less digits than its factorization.

20147102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 20147102 is about 4488.5523278670. The cubic root of 20147102 is about 272.1056304699.

Subtracting 20147102 from its reverse (20174102), we obtain a cube (27000 = 30³).

The spelling of 20147102 in words is "twenty million, one hundred forty-seven thousand, one hundred two".