20700303146 has 8 divisors (see below), whose sum is σ = 31051509924. Its totient is φ = 10349799840.

The previous prime is 20700303131. The next prime is 20700303167. The reversal of 20700303146 is 64130300702.

It can be written as a sum of positive squares in 2 ways, for example, as 14618019025 + 6082284121 = 120905^2 + 77989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 94835 + ... + 224486.

Almost surely, 2^20700303146 is an apocalyptic number.

20700303146 is a deficient number, since it is larger than the sum of its proper divisors (10351206778).

20700303146 is a wasteful number, since it uses less digits than its factorization.

20700303146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351736.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 20700303146 its reverse (64130300702), we get a palindrome (84830603848).

The spelling of 20700303146 in words is "twenty billion, seven hundred million, three hundred three thousand, one hundred forty-six".