20346998 has 32 divisors (see below), whose sum is σ = 36258816. Its totient is φ = 8382528.

The previous prime is 20346983. The next prime is 20347007. The reversal of 20346998 is 89964302.

It is a happy number.

It is a super-2 number, since 2×20346998² = 828000655224008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43715 + ... + 44177.

It is an arithmetic number, because the mean of its divisors is an integer number (1133088).

Almost surely, 2^20346998 is an apocalyptic number.

20346998 is a deficient number, since it is larger than the sum of its proper divisors (15911818).

20346998 is a wasteful number, since it uses less digits than its factorization.

20346998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 20346998 is about 4510.7646801845. The cubic root of 20346998 is about 273.0025985163.

The spelling of 20346998 in words is "twenty million, three hundred forty-six thousand, nine hundred ninety-eight".