20037198 has 16 divisors (see below), whose sum is σ = 40225536. Its totient is φ = 6653880.

The previous prime is 20037197. The next prime is 20037211. The reversal of 20037198 is 89173002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20037197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4536 + ... + 7787.

It is an arithmetic number, because the mean of its divisors is an integer number (2514096).

Almost surely, 2^20037198 is an apocalyptic number.

20037198 is an abundant number, since it is smaller than the sum of its proper divisors (20188338).

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

20037198 is a wasteful number, since it uses less digits than its factorization.

20037198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12599.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 20037198 is about 4476.2928858599. The cubic root of 20037198 is about 271.6099422803.

The spelling of 20037198 in words is "twenty million, thirty-seven thousand, one hundred ninety-eight".