20328249662 has 32 divisors (see below), whose sum is σ = 35576832000. Its totient is φ = 8707890744.

The previous prime is 20328249653. The next prime is 20328249677. The reversal of 20328249662 is 26694282302.

It is a super-2 number, since 2×20328249662² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1711139 + ... + 1722977.

It is an arithmetic number, because the mean of its divisors is an integer number (1111776000).

Almost surely, 2^20328249662 is an apocalyptic number.

20328249662 is a deficient number, since it is larger than the sum of its proper divisors (15248582338).

20328249662 is a wasteful number, since it uses less digits than its factorization.

20328249662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14365 (or 14351 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 20328249662 in words is "twenty billion, three hundred twenty-eight million, two hundred forty-nine thousand, six hundred sixty-two".