20605352630 has 16 divisors (see below), whose sum is σ = 37096925184. Its totient is φ = 8240520960.

The previous prime is 20605352627. The next prime is 20605352641. The reversal of 20605352630 is 3625350602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148406 + ... + 251465.

It is an arithmetic number, because the mean of its divisors is an integer number (2318557824).

Almost surely, 2^20605352630 is an apocalyptic number.

20605352630 is a deficient number, since it is larger than the sum of its proper divisors (16491572554).

20605352630 is a wasteful number, since it uses less digits than its factorization.

20605352630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405031.

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 20605352630 in words is "twenty billion, six hundred five million, three hundred fifty-two thousand, six hundred thirty".