20251962 has 12 divisors (see below), whose sum is σ = 43879290. Its totient is φ = 6750648.

The previous prime is 20251949. The next prime is 20251993. The reversal of 20251962 is 26915202.

It can be written as a sum of positive squares in only one way, i.e., 13329801 + 6922161 = 3651^2 + 2631^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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 in 5 ways as a sum of consecutive naturals, for example, 562537 + ... + 562572.

Almost surely, 2^20251962 is an apocalyptic number.

20251962 is an abundant number, since it is smaller than the sum of its proper divisors (23627328).

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

20251962 is a wasteful number, since it uses less digits than its factorization.

20251962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125117 (or 1125114 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 20251962 is about 4500.2179947198. The cubic root of 20251962 is about 272.5768915803.

The spelling of 20251962 in words is "twenty million, two hundred fifty-one thousand, nine hundred sixty-two".