20954262 has 48 divisors (see below), whose sum is σ = 49116672. Its totient is φ = 5942160.

The previous prime is 20954257. The next prime is 20954267. The reversal of 20954262 is 26245902.

It is an interprime number because it is at equal distance from previous prime (20954257) and next prime (20954267).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20954267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77187 + ... + 77457.

It is an arithmetic number, because the mean of its divisors is an integer number (1023264).

Almost surely, 2^20954262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20954262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24558336).

20954262 is an abundant number, since it is smaller than the sum of its proper divisors (28162410).

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

20954262 is a wasteful number, since it uses less digits than its factorization.

20954262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 20954262 is about 4577.5825497745. The cubic root of 20954262 is about 275.6919741504.

The spelling of 20954262 in words is "twenty million, nine hundred fifty-four thousand, two hundred sixty-two".