20574954 has 12 divisors (see below), whose sum is σ = 44579106. Its totient is φ = 6858312.

The previous prime is 20574899. The next prime is 20574959. The reversal of 20574954 is 45947502.

It can be written as a sum of positive squares in only one way, i.e., 20493729 + 81225 = 4527^2 + 285^2 .

It is not an unprimeable number, because it can be changed into a prime (20574959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 571509 + ... + 571544.

Almost surely, 2^20574954 is an apocalyptic number.

20574954 is an abundant number, since it is smaller than the sum of its proper divisors (24004152).

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

20574954 is a wasteful number, since it uses less digits than its factorization.

20574954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143061 (or 1143058 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 20574954 is about 4535.9623014306. The cubic root of 20574954 is about 274.0183357471.

It can be divided in two parts, 20574 and 954, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 20574954 in words is "twenty million, five hundred seventy-four thousand, nine hundred fifty-four".