20650024650 has 48 divisors (see below), whose sum is σ = 51913623744. Its totient is φ = 5431236480.

The previous prime is 20650024649. The next prime is 20650024673. The reversal of 20650024650 is 5642005602.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 931974 + ... + 953873.

It is an arithmetic number, because the mean of its divisors is an integer number (1081533828).

Almost surely, 2^20650024650 is an apocalyptic number.

20650024650 is an abundant number, since it is smaller than the sum of its proper divisors (31263599094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20650024650 is a wasteful number, since it uses less digits than its factorization.

20650024650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885935 (or 1885930 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 20650024650 in words is "twenty billion, six hundred fifty million, twenty-four thousand, six hundred fifty".