20146502 has 4 divisors (see below), whose sum is σ = 30219756. Its totient is φ = 10073250.

The previous prime is 20146471. The next prime is 20146523. The reversal of 20146502 is 20564102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5036624 + ... + 5036627.

It is an arithmetic number, because the mean of its divisors is an integer number (7554939).

Almost surely, 2^20146502 is an apocalyptic number.

20146502 is a deficient number, since it is larger than the sum of its proper divisors (10073254).

20146502 is a wasteful number, since it uses less digits than its factorization.

20146502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10073253.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20146502 is about 4488.4854906750. The cubic root of 20146502 is about 272.1029292543.

The spelling of 20146502 in words is "twenty million, one hundred forty-six thousand, five hundred two".