20191054 has 16 divisors (see below), whose sum is σ = 32708592. Its totient is φ = 9292608.

The previous prime is 20191049. The next prime is 20191063. The reversal of 20191054 is 45019102.

20191054 = T₅₂ + T₅₃ + ... + T₄₉₄.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10642 + ... + 12394.

It is an arithmetic number, because the mean of its divisors is an integer number (2044287).

Almost surely, 2^20191054 is an apocalyptic number.

20191054 is a deficient number, since it is larger than the sum of its proper divisors (12517538).

20191054 is a wasteful number, since it uses less digits than its factorization.

20191054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 20191054 is about 4493.4456711971. The cubic root of 20191054 is about 272.3033578381.

The spelling of 20191054 in words is "twenty million, one hundred ninety-one thousand, fifty-four".