20204962 has 4 divisors (see below), whose sum is σ = 30307446. Its totient is φ = 10102480.

The previous prime is 20204957. The next prime is 20204981. The reversal of 20204962 is 26940202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26940202 = 2 ⋅13470101.

It can be written as a sum of positive squares in only one way, i.e., 16088121 + 4116841 = 4011^2 + 2029^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051239 + ... + 5051242.

Almost surely, 2^20204962 is an apocalyptic number.

20204962 is a deficient number, since it is larger than the sum of its proper divisors (10102484).

20204962 is a wasteful number, since it uses less digits than its factorization.

20204962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10102483.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 20204962 is about 4494.9929922081. The cubic root of 20204962 is about 272.3658661461.

The spelling of 20204962 in words is "twenty million, two hundred four thousand, nine hundred sixty-two".