20906102 has 8 divisors (see below), whose sum is σ = 35839056. Its totient is φ = 8959752.

The previous prime is 20906087. The next prime is 20906111. The reversal of 20906102 is 20160902.

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, 746633 + ... + 746660.

It is an arithmetic number, because the mean of its divisors is an integer number (4479882).

Almost surely, 2^20906102 is an apocalyptic number.

20906102 is a deficient number, since it is larger than the sum of its proper divisors (14932954).

20906102 is a wasteful number, since it uses less digits than its factorization.

20906102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493302.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 20906102 is about 4572.3191052244. The cubic root of 20906102 is about 275.4806009158.

It can be divided in two parts, 2090 and 6102, that added together give a 13-th power (8192 = 2¹³).

The spelling of 20906102 in words is "twenty million, nine hundred six thousand, one hundred two".