20654962 has 4 divisors (see below), whose sum is σ = 30982446. Its totient is φ = 10327480.

The previous prime is 20654951. The next prime is 20654993. The reversal of 20654962 is 26945602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26945602 = 2 ⋅13472801.

It can be written as a sum of positive squares in only one way, i.e., 20602521 + 52441 = 4539^2 + 229^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5163739 + ... + 5163742.

Almost surely, 2^20654962 is an apocalyptic number.

20654962 is a deficient number, since it is larger than the sum of its proper divisors (10327484).

20654962 is a wasteful number, since it uses less digits than its factorization.

20654962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10327483.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 20654962 is about 4544.7730416381. The cubic root of 20654962 is about 274.3730599538.

The spelling of 20654962 in words is "twenty million, six hundred fifty-four thousand, nine hundred sixty-two".