20954312 has 8 divisors (see below), whose sum is σ = 39289350. Its totient is φ = 10477152.

The previous prime is 20954303. The next prime is 20954333. The reversal of 20954312 is 21345902.

It can be written as a sum of positive squares in only one way, i.e., 13147876 + 7806436 = 3626^2 + 2794^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1309637 + ... + 1309652.

Almost surely, 2^20954312 is an apocalyptic number.

It is an amenable number.

20954312 is a deficient number, since it is larger than the sum of its proper divisors (18335038).

20954312 is a wasteful number, since it uses less digits than its factorization.

20954312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619295 (or 2619291 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20954312 is about 4577.5880111692. The cubic root of 20954312 is about 275.6921934310.

The spelling of 20954312 in words is "twenty million, nine hundred fifty-four thousand, three hundred twelve".