20049708 has 48 divisors (see below), whose sum is σ = 54919424. Its totient is φ = 5572800.

The previous prime is 20049649. The next prime is 20049709. The reversal of 20049708 is 80794002.

It is not an unprimeable number, because it can be changed into a prime (20049709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118 + ... + 6333.

Almost surely, 2^20049708 is an apocalyptic number.

20049708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20049708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27459712).

20049708 is an abundant number, since it is smaller than the sum of its proper divisors (34869716).

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

20049708 is a wasteful number, since it uses less digits than its factorization.

20049708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6502 (or 6500 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 20049708 is about 4477.6900294683. The cubic root of 20049708 is about 271.6664560618. Note that the first 3 decimals are identical.

The spelling of 20049708 in words is "twenty million, forty-nine thousand, seven hundred eight".