20573902 has 16 divisors (see below), whose sum is σ = 31395600. Its totient is φ = 10110400.

The previous prime is 20573879. The next prime is 20573933. The reversal of 20573902 is 20937502.

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, 35874 + ... + 36442.

It is an arithmetic number, because the mean of its divisors is an integer number (1962225).

Almost surely, 2^20573902 is an apocalyptic number.

20573902 is a deficient number, since it is larger than the sum of its proper divisors (10821698).

20573902 is a wasteful number, since it uses less digits than its factorization.

20573902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 20573902 is about 4535.8463377853. The cubic root of 20573902 is about 274.0136654701.

The spelling of 20573902 in words is "twenty million, five hundred seventy-three thousand, nine hundred two".